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Finding the Fourth Proportional to 15,240.54, 22,863.54 and 5,385.54

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Solution

The fourth proportional to 15,240.54, 22,863.54 and 5,385.54 is: 8,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.54 : 22,863.54 = 5,385.54 : x
  2. Step 2: Convert to fraction form
    15,240.54/22,863.54 = 5,385.54/x
  3. Step 3: Cross multiply
    15,240.54x = 22,863.54 × 5,385.54
  4. Step 4: Simplify right side
    15,240.54x = 123,132,509.21
  5. Step 5: Solve for x
    x = 123,132,509.21/15,240.54
  6. Step 6: Final answer
    x = 8,079.27

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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.