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Finding the Fourth Proportional to 15,553.62, 23,340.15 and 6,319.62

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Solution

The fourth proportional to 15,553.62, 23,340.15 and 6,319.62 is: 9,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.62 : 23,340.15 = 6,319.62 : x
  2. Step 2: Convert to fraction form
    15,553.62/23,340.15 = 6,319.62/x
  3. Step 3: Cross multiply
    15,553.62x = 23,340.15 × 6,319.62
  4. Step 4: Simplify right side
    15,553.62x = 147,500,878.74
  5. Step 5: Solve for x
    x = 147,500,878.74/15,553.62
  6. Step 6: Final answer
    x = 9,483.38

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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.