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Finding the Fourth Proportional to 15,591.88, 23,389.04 and 5,203.64

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Solution

The fourth proportional to 15,591.88, 23,389.04 and 5,203.64 is: 7,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.88 : 23,389.04 = 5,203.64 : x
  2. Step 2: Convert to fraction form
    15,591.88/23,389.04 = 5,203.64/x
  3. Step 3: Cross multiply
    15,591.88x = 23,389.04 × 5,203.64
  4. Step 4: Simplify right side
    15,591.88x = 121,708,144.11
  5. Step 5: Solve for x
    x = 121,708,144.11/15,591.88
  6. Step 6: Final answer
    x = 7,805.87

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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.