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Finding the Fourth Proportional to 15,101.70, 22,657.95 and 6,339.30

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Solution

The fourth proportional to 15,101.70, 22,657.95 and 6,339.30 is: 9,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.70 : 22,657.95 = 6,339.30 : x
  2. Step 2: Convert to fraction form
    15,101.70/22,657.95 = 6,339.30/x
  3. Step 3: Cross multiply
    15,101.70x = 22,657.95 × 6,339.30
  4. Step 4: Simplify right side
    15,101.70x = 143,635,542.44
  5. Step 5: Solve for x
    x = 143,635,542.44/15,101.70
  6. Step 6: Final answer
    x = 9,511.22

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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.