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Finding the Fourth Proportional to 56,841.61, 85,238.95 and 19,404.70

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Solution

The fourth proportional to 56,841.61, 85,238.95 and 19,404.70 is: 29,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,841.61 : 85,238.95 = 19,404.70 : x
  2. Step 2: Convert to fraction form
    56,841.61/85,238.95 = 19,404.70/x
  3. Step 3: Cross multiply
    56,841.61x = 85,238.95 × 19,404.70
  4. Step 4: Simplify right side
    56,841.61x = 1,654,036,253.07
  5. Step 5: Solve for x
    x = 1,654,036,253.07/56,841.61
  6. Step 6: Final answer
    x = 29,099.04

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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.