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Finding the Fourth Proportional to 63,999.99, 88,321.56 and 35,320.17

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Solution

The fourth proportional to 63,999.99, 88,321.56 and 35,320.17 is: 48,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.99 : 88,321.56 = 35,320.17 : x
  2. Step 2: Convert to fraction form
    63,999.99/88,321.56 = 35,320.17/x
  3. Step 3: Cross multiply
    63,999.99x = 88,321.56 × 35,320.17
  4. Step 4: Simplify right side
    63,999.99x = 3,119,532,513.87
  5. Step 5: Solve for x
    x = 3,119,532,513.87/63,999.99
  6. Step 6: Final answer
    x = 48,742.70

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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.