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Finding the Fourth Proportional to 25,219.52, 37,829.17 and 7,689.29

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Solution

The fourth proportional to 25,219.52, 37,829.17 and 7,689.29 is: 11,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.52 : 37,829.17 = 7,689.29 : x
  2. Step 2: Convert to fraction form
    25,219.52/37,829.17 = 7,689.29/x
  3. Step 3: Cross multiply
    25,219.52x = 37,829.17 × 7,689.29
  4. Step 4: Simplify right side
    25,219.52x = 290,879,420.14
  5. Step 5: Solve for x
    x = 290,879,420.14/25,219.52
  6. Step 6: Final answer
    x = 11,533.90

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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.