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Finding the Fourth Proportional to 64,338.25, 88,790.43 and 36,053.05

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Solution

The fourth proportional to 64,338.25, 88,790.43 and 36,053.05 is: 49,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,338.25 : 88,790.43 = 36,053.05 : x
  2. Step 2: Convert to fraction form
    64,338.25/88,790.43 = 36,053.05/x
  3. Step 3: Cross multiply
    64,338.25x = 88,790.43 × 36,053.05
  4. Step 4: Simplify right side
    64,338.25x = 3,201,165,812.31
  5. Step 5: Solve for x
    x = 3,201,165,812.31/64,338.25
  6. Step 6: Final answer
    x = 49,755.25

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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.