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Finding the Fourth Proportional to 29,241, 40,353.12 and 16,666.56

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Solution

The fourth proportional to 29,241, 40,353.12 and 16,666.56 is: 23,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,241 : 40,353.12 = 16,666.56 : x
  2. Step 2: Convert to fraction form
    29,241/40,353.12 = 16,666.56/x
  3. Step 3: Cross multiply
    29,241x = 40,353.12 × 16,666.56
  4. Step 4: Simplify right side
    29,241x = 672,547,695.67
  5. Step 5: Solve for x
    x = 672,547,695.67/29,241
  6. Step 6: Final answer
    x = 23,000.16

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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.