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Finding the Fourth Proportional to 63,034.52, 86,987.66 and 34,740.23

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Solution

The fourth proportional to 63,034.52, 86,987.66 and 34,740.23 is: 47,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.52 : 86,987.66 = 34,740.23 : x
  2. Step 2: Convert to fraction form
    63,034.52/86,987.66 = 34,740.23/x
  3. Step 3: Cross multiply
    63,034.52x = 86,987.66 × 34,740.23
  4. Step 4: Simplify right side
    63,034.52x = 3,021,970,706.92
  5. Step 5: Solve for x
    x = 3,021,970,706.92/63,034.52
  6. Step 6: Final answer
    x = 47,941.52

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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.