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Finding the Fourth Proportional to 67,405.36, 93,027.63 and 38,724.97

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Solution

The fourth proportional to 67,405.36, 93,027.63 and 38,724.97 is: 53,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.36 : 93,027.63 = 38,724.97 : x
  2. Step 2: Convert to fraction form
    67,405.36/93,027.63 = 38,724.97/x
  3. Step 3: Cross multiply
    67,405.36x = 93,027.63 × 38,724.97
  4. Step 4: Simplify right side
    67,405.36x = 3,602,491,522.16
  5. Step 5: Solve for x
    x = 3,602,491,522.16/67,405.36
  6. Step 6: Final answer
    x = 53,445.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.