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Finding the Fourth Proportional to 29,182.16, 40,270.02 and 16,435.46

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Solution

The fourth proportional to 29,182.16, 40,270.02 and 16,435.46 is: 22,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,182.16 : 40,270.02 = 16,435.46 : x
  2. Step 2: Convert to fraction form
    29,182.16/40,270.02 = 16,435.46/x
  3. Step 3: Cross multiply
    29,182.16x = 40,270.02 × 16,435.46
  4. Step 4: Simplify right side
    29,182.16x = 661,856,302.91
  5. Step 5: Solve for x
    x = 661,856,302.91/29,182.16
  6. Step 6: Final answer
    x = 22,680.17

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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.