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Finding the Fourth Proportional to 14,772.58, 20,386.08 and 8,058.29

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Solution

The fourth proportional to 14,772.58, 20,386.08 and 8,058.29 is: 11,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.58 : 20,386.08 = 8,058.29 : x
  2. Step 2: Convert to fraction form
    14,772.58/20,386.08 = 8,058.29/x
  3. Step 3: Cross multiply
    14,772.58x = 20,386.08 × 8,058.29
  4. Step 4: Simplify right side
    14,772.58x = 164,276,842.67
  5. Step 5: Solve for x
    x = 164,276,842.67/14,772.58
  6. Step 6: Final answer
    x = 11,120.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.