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Finding the Fourth Proportional to 60,754.55, 91,151.80 and 28,747.36

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Solution

The fourth proportional to 60,754.55, 91,151.80 and 28,747.36 is: 43,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,754.55 : 91,151.80 = 28,747.36 : x
  2. Step 2: Convert to fraction form
    60,754.55/91,151.80 = 28,747.36/x
  3. Step 3: Cross multiply
    60,754.55x = 91,151.80 × 28,747.36
  4. Step 4: Simplify right side
    60,754.55x = 2,620,373,651.32
  5. Step 5: Solve for x
    x = 2,620,373,651.32/60,754.55
  6. Step 6: Final answer
    x = 43,130.50

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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.