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Finding the Fourth Proportional to 5,427.99, 8,141.97 and 1,532.40

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Solution

The fourth proportional to 5,427.99, 8,141.97 and 1,532.40 is: 2,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.99 : 8,141.97 = 1,532.40 : x
  2. Step 2: Convert to fraction form
    5,427.99/8,141.97 = 1,532.40/x
  3. Step 3: Cross multiply
    5,427.99x = 8,141.97 × 1,532.40
  4. Step 4: Simplify right side
    5,427.99x = 12,476,754.83
  5. Step 5: Solve for x
    x = 12,476,754.83/5,427.99
  6. Step 6: Final answer
    x = 2,298.60

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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.