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Finding the Fourth Proportional to 60,353.52, 90,519.84 and 15,980.91

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Solution

The fourth proportional to 60,353.52, 90,519.84 and 15,980.91 is: 23,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,353.52 : 90,519.84 = 15,980.91 : x
  2. Step 2: Convert to fraction form
    60,353.52/90,519.84 = 15,980.91/x
  3. Step 3: Cross multiply
    60,353.52x = 90,519.84 × 15,980.91
  4. Step 4: Simplify right side
    60,353.52x = 1,446,589,416.25
  5. Step 5: Solve for x
    x = 1,446,589,416.25/60,353.52
  6. Step 6: Final answer
    x = 23,968.60

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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.