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Finding the Fourth Proportional to 64,286.46, 88,710.21 and 35,988.30

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Solution

The fourth proportional to 64,286.46, 88,710.21 and 35,988.30 is: 49,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.46 : 88,710.21 = 35,988.30 : x
  2. Step 2: Convert to fraction form
    64,286.46/88,710.21 = 35,988.30/x
  3. Step 3: Cross multiply
    64,286.46x = 88,710.21 × 35,988.30
  4. Step 4: Simplify right side
    64,286.46x = 3,192,529,650.54
  5. Step 5: Solve for x
    x = 3,192,529,650.54/64,286.46
  6. Step 6: Final answer
    x = 49,661.00

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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.