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Finding the Fourth Proportional to 29,261, 40,380.15 and 16,516.87

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Solution

The fourth proportional to 29,261, 40,380.15 and 16,516.87 is: 22,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261 : 40,380.15 = 16,516.87 : x
  2. Step 2: Convert to fraction form
    29,261/40,380.15 = 16,516.87/x
  3. Step 3: Cross multiply
    29,261x = 40,380.15 × 16,516.87
  4. Step 4: Simplify right side
    29,261x = 666,953,688.13
  5. Step 5: Solve for x
    x = 666,953,688.13/29,261
  6. Step 6: Final answer
    x = 22,793.26

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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.