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Finding the Fourth Proportional to 71,615.93, 98,792.92 and 48,646.93

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Solution

The fourth proportional to 71,615.93, 98,792.92 and 48,646.93 is: 67,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,615.93 : 98,792.92 = 48,646.93 : x
  2. Step 2: Convert to fraction form
    71,615.93/98,792.92 = 48,646.93/x
  3. Step 3: Cross multiply
    71,615.93x = 98,792.92 × 48,646.93
  4. Step 4: Simplify right side
    71,615.93x = 4,805,972,263.74
  5. Step 5: Solve for x
    x = 4,805,972,263.74/71,615.93
  6. Step 6: Final answer
    x = 67,107.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.