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Finding the Fourth Proportional to 63,991.48, 88,308.42 and 35,698.96

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Solution

The fourth proportional to 63,991.48, 88,308.42 and 35,698.96 is: 49,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.48 : 88,308.42 = 35,698.96 : x
  2. Step 2: Convert to fraction form
    63,991.48/88,308.42 = 35,698.96/x
  3. Step 3: Cross multiply
    63,991.48x = 88,308.42 × 35,698.96
  4. Step 4: Simplify right side
    63,991.48x = 3,152,518,753.24
  5. Step 5: Solve for x
    x = 3,152,518,753.24/63,991.48
  6. Step 6: Final answer
    x = 49,264.66

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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.