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Finding the Fourth Proportional to 60,309.59, 90,440.08 and 18,176.63

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Solution

The fourth proportional to 60,309.59, 90,440.08 and 18,176.63 is: 27,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.59 : 90,440.08 = 18,176.63 : x
  2. Step 2: Convert to fraction form
    60,309.59/90,440.08 = 18,176.63/x
  3. Step 3: Cross multiply
    60,309.59x = 90,440.08 × 18,176.63
  4. Step 4: Simplify right side
    60,309.59x = 1,643,895,373.69
  5. Step 5: Solve for x
    x = 1,643,895,373.69/60,309.59
  6. Step 6: Final answer
    x = 27,257.61

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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.