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Finding the Fourth Proportional to 44,760, 67,154.64 and 13,595.28

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Solution

The fourth proportional to 44,760, 67,154.64 and 13,595.28 is: 20,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,760 : 67,154.64 = 13,595.28 : x
  2. Step 2: Convert to fraction form
    44,760/67,154.64 = 13,595.28/x
  3. Step 3: Cross multiply
    44,760x = 67,154.64 × 13,595.28
  4. Step 4: Simplify right side
    44,760x = 912,986,134.10
  5. Step 5: Solve for x
    x = 912,986,134.10/44,760
  6. Step 6: Final answer
    x = 20,397.37

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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.