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Finding the Fourth Proportional to 88,258.50, 132,387.75 and 25,929

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Solution

The fourth proportional to 88,258.50, 132,387.75 and 25,929 is: 38,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.50 : 132,387.75 = 25,929 : x
  2. Step 2: Convert to fraction form
    88,258.50/132,387.75 = 25,929/x
  3. Step 3: Cross multiply
    88,258.50x = 132,387.75 × 25,929
  4. Step 4: Simplify right side
    88,258.50x = 3,432,681,969.75
  5. Step 5: Solve for x
    x = 3,432,681,969.75/88,258.50
  6. Step 6: Final answer
    x = 38,893.50

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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.