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Finding the Fourth Proportional to 64,481.51, 88,984.49 and 36,187.19

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Solution

The fourth proportional to 64,481.51, 88,984.49 and 36,187.19 is: 49,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.51 : 88,984.49 = 36,187.19 : x
  2. Step 2: Convert to fraction form
    64,481.51/88,984.49 = 36,187.19/x
  3. Step 3: Cross multiply
    64,481.51x = 88,984.49 × 36,187.19
  4. Step 4: Simplify right side
    64,481.51x = 3,220,098,465.75
  5. Step 5: Solve for x
    x = 3,220,098,465.75/64,481.51
  6. Step 6: Final answer
    x = 49,938.32

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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.