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Finding the Fourth Proportional to 8,801.80, 12,146.48 and 4,822.92

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Solution

The fourth proportional to 8,801.80, 12,146.48 and 4,822.92 is: 6,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.80 : 12,146.48 = 4,822.92 : x
  2. Step 2: Convert to fraction form
    8,801.80/12,146.48 = 4,822.92/x
  3. Step 3: Cross multiply
    8,801.80x = 12,146.48 × 4,822.92
  4. Step 4: Simplify right side
    8,801.80x = 58,581,501.32
  5. Step 5: Solve for x
    x = 58,581,501.32/8,801.80
  6. Step 6: Final answer
    x = 6,655.63

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Half scale
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Double scale
Find fourth proportional to 8,802.80, 12,147.86 and 4,823.92
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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.