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Finding the Fourth Proportional to 15,648.91, 23,473.60 and 8,627.60

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Solution

The fourth proportional to 15,648.91, 23,473.60 and 8,627.60 is: 12,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.91 : 23,473.60 = 8,627.60 : x
  2. Step 2: Convert to fraction form
    15,648.91/23,473.60 = 8,627.60/x
  3. Step 3: Cross multiply
    15,648.91x = 23,473.60 × 8,627.60
  4. Step 4: Simplify right side
    15,648.91x = 202,520,868.47
  5. Step 5: Solve for x
    x = 202,520,868.47/15,648.91
  6. Step 6: Final answer
    x = 12,941.53

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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.