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Finding the Fourth Proportional to 57,353.50, 79,159.15 and 36,643.74

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Solution

The fourth proportional to 57,353.50, 79,159.15 and 36,643.74 is: 50,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.50 : 79,159.15 = 36,643.74 : x
  2. Step 2: Convert to fraction form
    57,353.50/79,159.15 = 36,643.74/x
  3. Step 3: Cross multiply
    57,353.50x = 79,159.15 × 36,643.74
  4. Step 4: Simplify right side
    57,353.50x = 2,900,687,311.22
  5. Step 5: Solve for x
    x = 2,900,687,311.22/57,353.50
  6. Step 6: Final answer
    x = 50,575.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.