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Finding the Fourth Proportional to 15,085.73, 22,621.29 and 8,847.79

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Solution

The fourth proportional to 15,085.73, 22,621.29 and 8,847.79 is: 13,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.73 : 22,621.29 = 8,847.79 : x
  2. Step 2: Convert to fraction form
    15,085.73/22,621.29 = 8,847.79/x
  3. Step 3: Cross multiply
    15,085.73x = 22,621.29 × 8,847.79
  4. Step 4: Simplify right side
    15,085.73x = 200,148,423.45
  5. Step 5: Solve for x
    x = 200,148,423.45/15,085.73
  6. Step 6: Final answer
    x = 13,267.40

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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.