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Finding the Fourth Proportional to 29,651.18, 44,480.10 and 9,931.10

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Solution

The fourth proportional to 29,651.18, 44,480.10 and 9,931.10 is: 14,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,651.18 : 44,480.10 = 9,931.10 : x
  2. Step 2: Convert to fraction form
    29,651.18/44,480.10 = 9,931.10/x
  3. Step 3: Cross multiply
    29,651.18x = 44,480.10 × 9,931.10
  4. Step 4: Simplify right side
    29,651.18x = 441,736,321.11
  5. Step 5: Solve for x
    x = 441,736,321.11/29,651.18
  6. Step 6: Final answer
    x = 14,897.77

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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.