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Finding the Fourth Proportional to 47,501.87, 65,549.86 and 26,279.87

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Solution

The fourth proportional to 47,501.87, 65,549.86 and 26,279.87 is: 36,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,501.87 : 65,549.86 = 26,279.87 : x
  2. Step 2: Convert to fraction form
    47,501.87/65,549.86 = 26,279.87/x
  3. Step 3: Cross multiply
    47,501.87x = 65,549.86 × 26,279.87
  4. Step 4: Simplify right side
    47,501.87x = 1,722,641,405.87
  5. Step 5: Solve for x
    x = 1,722,641,405.87/47,501.87
  6. Step 6: Final answer
    x = 36,264.71

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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.