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Finding the Fourth Proportional to 63,980.52, 88,293.08 and 35,686.20

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Solution

The fourth proportional to 63,980.52, 88,293.08 and 35,686.20 is: 49,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.52 : 88,293.08 = 35,686.20 : x
  2. Step 2: Convert to fraction form
    63,980.52/88,293.08 = 35,686.20/x
  3. Step 3: Cross multiply
    63,980.52x = 88,293.08 × 35,686.20
  4. Step 4: Simplify right side
    63,980.52x = 3,150,844,511.50
  5. Step 5: Solve for x
    x = 3,150,844,511.50/63,980.52
  6. Step 6: Final answer
    x = 49,246.94

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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.