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Finding the Fourth Proportional to 29,713.32, 44,569.98 and 9,991.89

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Solution

The fourth proportional to 29,713.32, 44,569.98 and 9,991.89 is: 14,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,713.32 : 44,569.98 = 9,991.89 : x
  2. Step 2: Convert to fraction form
    29,713.32/44,569.98 = 9,991.89/x
  3. Step 3: Cross multiply
    29,713.32x = 44,569.98 × 9,991.89
  4. Step 4: Simplify right side
    29,713.32x = 445,338,337.46
  5. Step 5: Solve for x
    x = 445,338,337.46/29,713.32
  6. Step 6: Final answer
    x = 14,987.84

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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.