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Finding the Fourth Proportional to 35,956.13, 53,934.15 and 9,660.87

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Solution

The fourth proportional to 35,956.13, 53,934.15 and 9,660.87 is: 14,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,956.13 : 53,934.15 = 9,660.87 : x
  2. Step 2: Convert to fraction form
    35,956.13/53,934.15 = 9,660.87/x
  3. Step 3: Cross multiply
    35,956.13x = 53,934.15 × 9,660.87
  4. Step 4: Simplify right side
    35,956.13x = 521,050,811.71
  5. Step 5: Solve for x
    x = 521,050,811.71/35,956.13
  6. Step 6: Final answer
    x = 14,491.29

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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.