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Finding the Fourth Proportional to 60,892.72, 91,292.08 and 38,659.84

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Solution

The fourth proportional to 60,892.72, 91,292.08 and 38,659.84 is: 57,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,892.72 : 91,292.08 = 38,659.84 : x
  2. Step 2: Convert to fraction form
    60,892.72/91,292.08 = 38,659.84/x
  3. Step 3: Cross multiply
    60,892.72x = 91,292.08 × 38,659.84
  4. Step 4: Simplify right side
    60,892.72x = 3,529,337,206.07
  5. Step 5: Solve for x
    x = 3,529,337,206.07/60,892.72
  6. Step 6: Final answer
    x = 57,959.92

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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.