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Finding the Fourth Proportional to 7,060, 10,589.92 and 1,865.92

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Solution

The fourth proportional to 7,060, 10,589.92 and 1,865.92 is: 2,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060 : 10,589.92 = 1,865.92 : x
  2. Step 2: Convert to fraction form
    7,060/10,589.92 = 1,865.92/x
  3. Step 3: Cross multiply
    7,060x = 10,589.92 × 1,865.92
  4. Step 4: Simplify right side
    7,060x = 19,759,943.53
  5. Step 5: Solve for x
    x = 19,759,943.53/7,060
  6. Step 6: Final answer
    x = 2,798.86

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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.