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Finding the Fourth Proportional to 8,995.76, 13,493.64 and 3,801.68

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Solution

The fourth proportional to 8,995.76, 13,493.64 and 3,801.68 is: 5,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.76 : 13,493.64 = 3,801.68 : x
  2. Step 2: Convert to fraction form
    8,995.76/13,493.64 = 3,801.68/x
  3. Step 3: Cross multiply
    8,995.76x = 13,493.64 × 3,801.68
  4. Step 4: Simplify right side
    8,995.76x = 51,298,501.32
  5. Step 5: Solve for x
    x = 51,298,501.32/8,995.76
  6. Step 6: Final answer
    x = 5,702.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.