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Finding the Fourth Proportional to 64,500.08, 88,999.31 and 35,815.14

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Solution

The fourth proportional to 64,500.08, 88,999.31 and 35,815.14 is: 49,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,500.08 : 88,999.31 = 35,815.14 : x
  2. Step 2: Convert to fraction form
    64,500.08/88,999.31 = 35,815.14/x
  3. Step 3: Cross multiply
    64,500.08x = 88,999.31 × 35,815.14
  4. Step 4: Simplify right side
    64,500.08x = 3,187,522,568.48
  5. Step 5: Solve for x
    x = 3,187,522,568.48/64,500.08
  6. Step 6: Final answer
    x = 49,418.90

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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.