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Finding the Fourth Proportional to 64,309.50, 88,747.13 and 36,015.19

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Solution

The fourth proportional to 64,309.50, 88,747.13 and 36,015.19 is: 49,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,309.50 : 88,747.13 = 36,015.19 : x
  2. Step 2: Convert to fraction form
    64,309.50/88,747.13 = 36,015.19/x
  3. Step 3: Cross multiply
    64,309.50x = 88,747.13 × 36,015.19
  4. Step 4: Simplify right side
    64,309.50x = 3,196,244,617.07
  5. Step 5: Solve for x
    x = 3,196,244,617.07/64,309.50
  6. Step 6: Final answer
    x = 49,700.97

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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.