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Finding the Fourth Proportional to 64,057.50, 88,399.76 and 35,763.39

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Solution

The fourth proportional to 64,057.50, 88,399.76 and 35,763.39 is: 49,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,057.50 : 88,399.76 = 35,763.39 : x
  2. Step 2: Convert to fraction form
    64,057.50/88,399.76 = 35,763.39/x
  3. Step 3: Cross multiply
    64,057.50x = 88,399.76 × 35,763.39
  4. Step 4: Simplify right side
    64,057.50x = 3,161,474,913.97
  5. Step 5: Solve for x
    x = 3,161,474,913.97/64,057.50
  6. Step 6: Final answer
    x = 49,353.70

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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.