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Finding the Fourth Proportional to 63,960.90, 88,272.39 and 47,800.14

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Solution

The fourth proportional to 63,960.90, 88,272.39 and 47,800.14 is: 65,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,960.90 : 88,272.39 = 47,800.14 : x
  2. Step 2: Convert to fraction form
    63,960.90/88,272.39 = 47,800.14/x
  3. Step 3: Cross multiply
    63,960.90x = 88,272.39 × 47,800.14
  4. Step 4: Simplify right side
    63,960.90x = 4,219,432,600.13
  5. Step 5: Solve for x
    x = 4,219,432,600.13/63,960.90
  6. Step 6: Final answer
    x = 65,968.94

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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.