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Finding the Fourth Proportional to 68,762.52, 94,892.04 and 38,548.17

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Solution

The fourth proportional to 68,762.52, 94,892.04 and 38,548.17 is: 53,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.52 : 94,892.04 = 38,548.17 : x
  2. Step 2: Convert to fraction form
    68,762.52/94,892.04 = 38,548.17/x
  3. Step 3: Cross multiply
    68,762.52x = 94,892.04 × 38,548.17
  4. Step 4: Simplify right side
    68,762.52x = 3,657,914,489.57
  5. Step 5: Solve for x
    x = 3,657,914,489.57/68,762.52
  6. Step 6: Final answer
    x = 53,196.34

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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.