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Finding the Fourth Proportional to 65,479.56, 98,248.48 and 34,307.52

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Solution

The fourth proportional to 65,479.56, 98,248.48 and 34,307.52 is: 51,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,479.56 : 98,248.48 = 34,307.52 : x
  2. Step 2: Convert to fraction form
    65,479.56/98,248.48 = 34,307.52/x
  3. Step 3: Cross multiply
    65,479.56x = 98,248.48 × 34,307.52
  4. Step 4: Simplify right side
    65,479.56x = 3,370,661,692.57
  5. Step 5: Solve for x
    x = 3,370,661,692.57/65,479.56
  6. Step 6: Final answer
    x = 51,476.55

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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.