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Finding the Fourth Proportional to 68,442.92, 94,444.56 and 38,225.84

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Solution

The fourth proportional to 68,442.92, 94,444.56 and 38,225.84 is: 52,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.92 : 94,444.56 = 38,225.84 : x
  2. Step 2: Convert to fraction form
    68,442.92/94,444.56 = 38,225.84/x
  3. Step 3: Cross multiply
    68,442.92x = 94,444.56 × 38,225.84
  4. Step 4: Simplify right side
    68,442.92x = 3,610,222,639.43
  5. Step 5: Solve for x
    x = 3,610,222,639.43/68,442.92
  6. Step 6: Final answer
    x = 52,747.93

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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.