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Finding the Fourth Proportional to 61,292.76, 84,573.78 and 36,147.24

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Solution

The fourth proportional to 61,292.76, 84,573.78 and 36,147.24 is: 49,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.76 : 84,573.78 = 36,147.24 : x
  2. Step 2: Convert to fraction form
    61,292.76/84,573.78 = 36,147.24/x
  3. Step 3: Cross multiply
    61,292.76x = 84,573.78 × 36,147.24
  4. Step 4: Simplify right side
    61,292.76x = 3,057,108,723.37
  5. Step 5: Solve for x
    x = 3,057,108,723.37/61,292.76
  6. Step 6: Final answer
    x = 49,877.16

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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.