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Finding the Fourth Proportional to 61,246.76, 84,520.12 and 38,600.37

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Solution

The fourth proportional to 61,246.76, 84,520.12 and 38,600.37 is: 53,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.76 : 84,520.12 = 38,600.37 : x
  2. Step 2: Convert to fraction form
    61,246.76/84,520.12 = 38,600.37/x
  3. Step 3: Cross multiply
    61,246.76x = 84,520.12 × 38,600.37
  4. Step 4: Simplify right side
    61,246.76x = 3,262,507,711.44
  5. Step 5: Solve for x
    x = 3,262,507,711.44/61,246.76
  6. Step 6: Final answer
    x = 53,268.25

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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.