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Finding the Fourth Proportional to 29,210.28, 40,310.16 and 15,962.28

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Solution

The fourth proportional to 29,210.28, 40,310.16 and 15,962.28 is: 22,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,210.28 : 40,310.16 = 15,962.28 : x
  2. Step 2: Convert to fraction form
    29,210.28/40,310.16 = 15,962.28/x
  3. Step 3: Cross multiply
    29,210.28x = 40,310.16 × 15,962.28
  4. Step 4: Simplify right side
    29,210.28x = 643,442,060.76
  5. Step 5: Solve for x
    x = 643,442,060.76/29,210.28
  6. Step 6: Final answer
    x = 22,027.93

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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.