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Finding the Fourth Proportional to 60,089.56, 90,129.30 and 18,536.92

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Solution

The fourth proportional to 60,089.56, 90,129.30 and 18,536.92 is: 27,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,089.56 : 90,129.30 = 18,536.92 : x
  2. Step 2: Convert to fraction form
    60,089.56/90,129.30 = 18,536.92/x
  3. Step 3: Cross multiply
    60,089.56x = 90,129.30 × 18,536.92
  4. Step 4: Simplify right side
    60,089.56x = 1,670,719,623.76
  5. Step 5: Solve for x
    x = 1,670,719,623.76/60,089.56
  6. Step 6: Final answer
    x = 27,803.83

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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.