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Finding the Fourth Proportional to 60,374.10, 90,556.86 and 15,999.86

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Solution

The fourth proportional to 60,374.10, 90,556.86 and 15,999.86 is: 23,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,374.10 : 90,556.86 = 15,999.86 : x
  2. Step 2: Convert to fraction form
    60,374.10/90,556.86 = 15,999.86/x
  3. Step 3: Cross multiply
    60,374.10x = 90,556.86 × 15,999.86
  4. Step 4: Simplify right side
    60,374.10x = 1,448,897,082.04
  5. Step 5: Solve for x
    x = 1,448,897,082.04/60,374.10
  6. Step 6: Final answer
    x = 23,998.65

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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.