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Finding the Fourth Proportional to 60,326.75, 90,490.13 and 23,390.75

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Solution

The fourth proportional to 60,326.75, 90,490.13 and 23,390.75 is: 35,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,326.75 : 90,490.13 = 23,390.75 : x
  2. Step 2: Convert to fraction form
    60,326.75/90,490.13 = 23,390.75/x
  3. Step 3: Cross multiply
    60,326.75x = 90,490.13 × 23,390.75
  4. Step 4: Simplify right side
    60,326.75x = 2,116,632,008.30
  5. Step 5: Solve for x
    x = 2,116,632,008.30/60,326.75
  6. Step 6: Final answer
    x = 35,086.13

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Similar ratio
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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.