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Finding the Fourth Proportional to 37,143.52, 55,695.12 and 16,869.15

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Solution

The fourth proportional to 37,143.52, 55,695.12 and 16,869.15 is: 25,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.52 : 55,695.12 = 16,869.15 : x
  2. Step 2: Convert to fraction form
    37,143.52/55,695.12 = 16,869.15/x
  3. Step 3: Cross multiply
    37,143.52x = 55,695.12 × 16,869.15
  4. Step 4: Simplify right side
    37,143.52x = 939,529,333.55
  5. Step 5: Solve for x
    x = 939,529,333.55/37,143.52
  6. Step 6: Final answer
    x = 25,294.57

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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.