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Finding the Fourth Proportional to 60,693.50, 91,035.70 and 18,573.71

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Solution

The fourth proportional to 60,693.50, 91,035.70 and 18,573.71 is: 27,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,693.50 : 91,035.70 = 18,573.71 : x
  2. Step 2: Convert to fraction form
    60,693.50/91,035.70 = 18,573.71/x
  3. Step 3: Cross multiply
    60,693.50x = 91,035.70 × 18,573.71
  4. Step 4: Simplify right side
    60,693.50x = 1,690,870,189.83
  5. Step 5: Solve for x
    x = 1,690,870,189.83/60,693.50
  6. Step 6: Final answer
    x = 27,859.16

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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.