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Finding the Fourth Proportional to 60,776.52, 91,198.80 and 25,742.40

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Solution

The fourth proportional to 60,776.52, 91,198.80 and 25,742.40 is: 38,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,776.52 : 91,198.80 = 25,742.40 : x
  2. Step 2: Convert to fraction form
    60,776.52/91,198.80 = 25,742.40/x
  3. Step 3: Cross multiply
    60,776.52x = 91,198.80 × 25,742.40
  4. Step 4: Simplify right side
    60,776.52x = 2,347,675,989.12
  5. Step 5: Solve for x
    x = 2,347,675,989.12/60,776.52
  6. Step 6: Final answer
    x = 38,628.01

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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.