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Finding the Fourth Proportional to 64,548.57, 96,860.75 and 27,105.76

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Solution

The fourth proportional to 64,548.57, 96,860.75 and 27,105.76 is: 40,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,548.57 : 96,860.75 = 27,105.76 : x
  2. Step 2: Convert to fraction form
    64,548.57/96,860.75 = 27,105.76/x
  3. Step 3: Cross multiply
    64,548.57x = 96,860.75 × 27,105.76
  4. Step 4: Simplify right side
    64,548.57x = 2,625,484,242.92
  5. Step 5: Solve for x
    x = 2,625,484,242.92/64,548.57
  6. Step 6: Final answer
    x = 40,674.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.