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Finding the Fourth Proportional to 15,752.58, 23,631.03 and 6,987.30

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Solution

The fourth proportional to 15,752.58, 23,631.03 and 6,987.30 is: 10,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.58 : 23,631.03 = 6,987.30 : x
  2. Step 2: Convert to fraction form
    15,752.58/23,631.03 = 6,987.30/x
  3. Step 3: Cross multiply
    15,752.58x = 23,631.03 × 6,987.30
  4. Step 4: Simplify right side
    15,752.58x = 165,117,095.92
  5. Step 5: Solve for x
    x = 165,117,095.92/15,752.58
  6. Step 6: Final answer
    x = 10,481.91

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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.