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Finding the Fourth Proportional to 29,920.44, 44,885.99 and 9,931.13

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Solution

The fourth proportional to 29,920.44, 44,885.99 and 9,931.13 is: 14,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.44 : 44,885.99 = 9,931.13 : x
  2. Step 2: Convert to fraction form
    29,920.44/44,885.99 = 9,931.13/x
  3. Step 3: Cross multiply
    29,920.44x = 44,885.99 × 9,931.13
  4. Step 4: Simplify right side
    29,920.44x = 445,768,601.87
  5. Step 5: Solve for x
    x = 445,768,601.87/29,920.44
  6. Step 6: Final answer
    x = 14,898.46

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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.