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Finding the Fourth Proportional to 64,305.52, 88,739.13 and 36,009.76

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Solution

The fourth proportional to 64,305.52, 88,739.13 and 36,009.76 is: 49,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,305.52 : 88,739.13 = 36,009.76 : x
  2. Step 2: Convert to fraction form
    64,305.52/88,739.13 = 36,009.76/x
  3. Step 3: Cross multiply
    64,305.52x = 88,739.13 × 36,009.76
  4. Step 4: Simplify right side
    64,305.52x = 3,195,474,773.91
  5. Step 5: Solve for x
    x = 3,195,474,773.91/64,305.52
  6. Step 6: Final answer
    x = 49,692.08

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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.