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Finding the Fourth Proportional to 37,419.61, 56,129.28 and 9,717.61

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Solution

The fourth proportional to 37,419.61, 56,129.28 and 9,717.61 is: 14,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.61 : 56,129.28 = 9,717.61 : x
  2. Step 2: Convert to fraction form
    37,419.61/56,129.28 = 9,717.61/x
  3. Step 3: Cross multiply
    37,419.61x = 56,129.28 × 9,717.61
  4. Step 4: Simplify right side
    37,419.61x = 545,442,452.62
  5. Step 5: Solve for x
    x = 545,442,452.62/37,419.61
  6. Step 6: Final answer
    x = 14,576.38

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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.