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Finding the Fourth Proportional to 5,693.30, 8,539.95 and 5,288.30

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Solution

The fourth proportional to 5,693.30, 8,539.95 and 5,288.30 is: 7,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.30 : 8,539.95 = 5,288.30 : x
  2. Step 2: Convert to fraction form
    5,693.30/8,539.95 = 5,288.30/x
  3. Step 3: Cross multiply
    5,693.30x = 8,539.95 × 5,288.30
  4. Step 4: Simplify right side
    5,693.30x = 45,161,817.59
  5. Step 5: Solve for x
    x = 45,161,817.59/5,693.30
  6. Step 6: Final answer
    x = 7,932.45

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Similar ratio
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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.