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Finding the Fourth Proportional to 56,082.38, 77,393.88 and 34,861.59

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Solution

The fourth proportional to 56,082.38, 77,393.88 and 34,861.59 is: 48,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,082.38 : 77,393.88 = 34,861.59 : x
  2. Step 2: Convert to fraction form
    56,082.38/77,393.88 = 34,861.59/x
  3. Step 3: Cross multiply
    56,082.38x = 77,393.88 × 34,861.59
  4. Step 4: Simplify right side
    56,082.38x = 2,698,073,713.07
  5. Step 5: Solve for x
    x = 2,698,073,713.07/56,082.38
  6. Step 6: Final answer
    x = 48,109.12

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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.