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Finding the Fourth Proportional to 24,129.72, 36,185.68 and 8,330.71

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Solution

The fourth proportional to 24,129.72, 36,185.68 and 8,330.71 is: 12,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,129.72 : 36,185.68 = 8,330.71 : x
  2. Step 2: Convert to fraction form
    24,129.72/36,185.68 = 8,330.71/x
  3. Step 3: Cross multiply
    24,129.72x = 36,185.68 × 8,330.71
  4. Step 4: Simplify right side
    24,129.72x = 301,452,406.23
  5. Step 5: Solve for x
    x = 301,452,406.23/24,129.72
  6. Step 6: Final answer
    x = 12,492.99

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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.