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Finding the Fourth Proportional to 60,846.92, 91,271.82 and 19,294.28

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Solution

The fourth proportional to 60,846.92, 91,271.82 and 19,294.28 is: 28,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,846.92 : 91,271.82 = 19,294.28 : x
  2. Step 2: Convert to fraction form
    60,846.92/91,271.82 = 19,294.28/x
  3. Step 3: Cross multiply
    60,846.92x = 91,271.82 × 19,294.28
  4. Step 4: Simplify right side
    60,846.92x = 1,761,024,051.19
  5. Step 5: Solve for x
    x = 1,761,024,051.19/60,846.92
  6. Step 6: Final answer
    x = 28,941.88

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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.