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Finding the Fourth Proportional to 60,357.44, 90,538.05 and 28,770.93

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Solution

The fourth proportional to 60,357.44, 90,538.05 and 28,770.93 is: 43,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,357.44 : 90,538.05 = 28,770.93 : x
  2. Step 2: Convert to fraction form
    60,357.44/90,538.05 = 28,770.93/x
  3. Step 3: Cross multiply
    60,357.44x = 90,538.05 × 28,770.93
  4. Step 4: Simplify right side
    60,357.44x = 2,604,864,006.78
  5. Step 5: Solve for x
    x = 2,604,864,006.78/60,357.44
  6. Step 6: Final answer
    x = 43,157.30

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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.