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Finding the Fourth Proportional to 65,522.16, 98,302.68 and 28,063.71

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Solution

The fourth proportional to 65,522.16, 98,302.68 and 28,063.71 is: 42,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.16 : 98,302.68 = 28,063.71 : x
  2. Step 2: Convert to fraction form
    65,522.16/98,302.68 = 28,063.71/x
  3. Step 3: Cross multiply
    65,522.16x = 98,302.68 × 28,063.71
  4. Step 4: Simplify right side
    65,522.16x = 2,758,737,903.74
  5. Step 5: Solve for x
    x = 2,758,737,903.74/65,522.16
  6. Step 6: Final answer
    x = 42,103.89

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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.