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Finding the Fourth Proportional to 52,613.22, 78,931.50 and 15,170.38

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Solution

The fourth proportional to 52,613.22, 78,931.50 and 15,170.38 is: 22,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.22 : 78,931.50 = 15,170.38 : x
  2. Step 2: Convert to fraction form
    52,613.22/78,931.50 = 15,170.38/x
  3. Step 3: Cross multiply
    52,613.22x = 78,931.50 × 15,170.38
  4. Step 4: Simplify right side
    52,613.22x = 1,197,420,378.46
  5. Step 5: Solve for x
    x = 1,197,420,378.46/52,613.22
  6. Step 6: Final answer
    x = 22,758.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.