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Finding the Fourth Proportional to 62,549.85, 86,310.50 and 35,690.76

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Solution

The fourth proportional to 62,549.85, 86,310.50 and 35,690.76 is: 49,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,549.85 : 86,310.50 = 35,690.76 : x
  2. Step 2: Convert to fraction form
    62,549.85/86,310.50 = 35,690.76/x
  3. Step 3: Cross multiply
    62,549.85x = 86,310.50 × 35,690.76
  4. Step 4: Simplify right side
    62,549.85x = 3,080,487,430.21
  5. Step 5: Solve for x
    x = 3,080,487,430.21/62,549.85
  6. Step 6: Final answer
    x = 49,248.52

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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.