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Finding the Fourth Proportional to 63,959.90, 88,262.48 and 35,280.69

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Solution

The fourth proportional to 63,959.90, 88,262.48 and 35,280.69 is: 48,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.90 : 88,262.48 = 35,280.69 : x
  2. Step 2: Convert to fraction form
    63,959.90/88,262.48 = 35,280.69/x
  3. Step 3: Cross multiply
    63,959.90x = 88,262.48 × 35,280.69
  4. Step 4: Simplify right side
    63,959.90x = 3,113,961,019.11
  5. Step 5: Solve for x
    x = 3,113,961,019.11/63,959.90
  6. Step 6: Final answer
    x = 48,686.15

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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.