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Finding the Fourth Proportional to 60,373.45, 90,575.46 and 42,638.75

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Solution

The fourth proportional to 60,373.45, 90,575.46 and 42,638.75 is: 63,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,373.45 : 90,575.46 = 42,638.75 : x
  2. Step 2: Convert to fraction form
    60,373.45/90,575.46 = 42,638.75/x
  3. Step 3: Cross multiply
    60,373.45x = 90,575.46 × 42,638.75
  4. Step 4: Simplify right side
    60,373.45x = 3,862,024,395.08
  5. Step 5: Solve for x
    x = 3,862,024,395.08/60,373.45
  6. Step 6: Final answer
    x = 63,968.92

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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.