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Finding the Fourth Proportional to 62,292.87, 85,966.98 and 35,078.31

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Solution

The fourth proportional to 62,292.87, 85,966.98 and 35,078.31 is: 48,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,292.87 : 85,966.98 = 35,078.31 : x
  2. Step 2: Convert to fraction form
    62,292.87/85,966.98 = 35,078.31/x
  3. Step 3: Cross multiply
    62,292.87x = 85,966.98 × 35,078.31
  4. Step 4: Simplify right side
    62,292.87x = 3,015,576,374.20
  5. Step 5: Solve for x
    x = 3,015,576,374.20/62,292.87
  6. Step 6: Final answer
    x = 48,409.66

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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.