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Finding the Fourth Proportional to 60,587.66, 90,884.87 and 18,469.11

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Solution

The fourth proportional to 60,587.66, 90,884.87 and 18,469.11 is: 27,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,587.66 : 90,884.87 = 18,469.11 : x
  2. Step 2: Convert to fraction form
    60,587.66/90,884.87 = 18,469.11/x
  3. Step 3: Cross multiply
    60,587.66x = 90,884.87 × 18,469.11
  4. Step 4: Simplify right side
    60,587.66x = 1,678,562,253.11
  5. Step 5: Solve for x
    x = 1,678,562,253.11/60,587.66
  6. Step 6: Final answer
    x = 27,704.69

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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.