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Finding the Fourth Proportional to 34,891.59, 52,329.52 and 9,931.08

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Solution

The fourth proportional to 34,891.59, 52,329.52 and 9,931.08 is: 14,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,891.59 : 52,329.52 = 9,931.08 : x
  2. Step 2: Convert to fraction form
    34,891.59/52,329.52 = 9,931.08/x
  3. Step 3: Cross multiply
    34,891.59x = 52,329.52 × 9,931.08
  4. Step 4: Simplify right side
    34,891.59x = 519,688,872.10
  5. Step 5: Solve for x
    x = 519,688,872.10/34,891.59
  6. Step 6: Final answer
    x = 14,894.39

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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.