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Finding the Fourth Proportional to 64,359.94, 88,816.84 and 36,065.64

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Solution

The fourth proportional to 64,359.94, 88,816.84 and 36,065.64 is: 49,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.94 : 88,816.84 = 36,065.64 : x
  2. Step 2: Convert to fraction form
    64,359.94/88,816.84 = 36,065.64/x
  3. Step 3: Cross multiply
    64,359.94x = 88,816.84 × 36,065.64
  4. Step 4: Simplify right side
    64,359.94x = 3,203,236,177.38
  5. Step 5: Solve for x
    x = 3,203,236,177.38/64,359.94
  6. Step 6: Final answer
    x = 49,770.65

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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.