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Finding the Fourth Proportional to 5,285.52, 7,294.02 and 2,927.61

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Solution

The fourth proportional to 5,285.52, 7,294.02 and 2,927.61 is: 4,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.52 : 7,294.02 = 2,927.61 : x
  2. Step 2: Convert to fraction form
    5,285.52/7,294.02 = 2,927.61/x
  3. Step 3: Cross multiply
    5,285.52x = 7,294.02 × 2,927.61
  4. Step 4: Simplify right side
    5,285.52x = 21,354,045.89
  5. Step 5: Solve for x
    x = 21,354,045.89/5,285.52
  6. Step 6: Final answer
    x = 4,040.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.