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Finding the Fourth Proportional to 29,443.64, 44,166.87 and 9,721.76

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Solution

The fourth proportional to 29,443.64, 44,166.87 and 9,721.76 is: 14,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.64 : 44,166.87 = 9,721.76 : x
  2. Step 2: Convert to fraction form
    29,443.64/44,166.87 = 9,721.76/x
  3. Step 3: Cross multiply
    29,443.64x = 44,166.87 × 9,721.76
  4. Step 4: Simplify right side
    29,443.64x = 429,379,489.26
  5. Step 5: Solve for x
    x = 429,379,489.26/29,443.64
  6. Step 6: Final answer
    x = 14,583.10

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1.5x scale

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.