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Finding the Fourth Proportional to 82,915.76, 124,393.08 and 32,998.88

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Solution

The fourth proportional to 82,915.76, 124,393.08 and 32,998.88 is: 49,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,915.76 : 124,393.08 = 32,998.88 : x
  2. Step 2: Convert to fraction form
    82,915.76/124,393.08 = 32,998.88/x
  3. Step 3: Cross multiply
    82,915.76x = 124,393.08 × 32,998.88
  4. Step 4: Simplify right side
    82,915.76x = 4,104,832,319.75
  5. Step 5: Solve for x
    x = 4,104,832,319.75/82,915.76
  6. Step 6: Final answer
    x = 49,506.06

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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.