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Finding the Fourth Proportional to 60,486.01, 90,736.31 and 25,421.11

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Solution

The fourth proportional to 60,486.01, 90,736.31 and 25,421.11 is: 38,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.01 : 90,736.31 = 25,421.11 : x
  2. Step 2: Convert to fraction form
    60,486.01/90,736.31 = 25,421.11/x
  3. Step 3: Cross multiply
    60,486.01x = 90,736.31 × 25,421.11
  4. Step 4: Simplify right side
    60,486.01x = 2,306,617,717.50
  5. Step 5: Solve for x
    x = 2,306,617,717.50/60,486.01
  6. Step 6: Final answer
    x = 38,134.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.