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Finding the Fourth Proportional to 84,915.60, 127,374.61 and 32,327.97

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Solution

The fourth proportional to 84,915.60, 127,374.61 and 32,327.97 is: 48,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.60 : 127,374.61 = 32,327.97 : x
  2. Step 2: Convert to fraction form
    84,915.60/127,374.61 = 32,327.97/x
  3. Step 3: Cross multiply
    84,915.60x = 127,374.61 × 32,327.97
  4. Step 4: Simplify right side
    84,915.60x = 4,117,762,570.84
  5. Step 5: Solve for x
    x = 4,117,762,570.84/84,915.60
  6. Step 6: Final answer
    x = 48,492.42

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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.