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Finding the Fourth Proportional to 15,085.61, 22,621.10 and 8,847.66

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Solution

The fourth proportional to 15,085.61, 22,621.10 and 8,847.66 is: 13,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.61 : 22,621.10 = 8,847.66 : x
  2. Step 2: Convert to fraction form
    15,085.61/22,621.10 = 8,847.66/x
  3. Step 3: Cross multiply
    15,085.61x = 22,621.10 × 8,847.66
  4. Step 4: Simplify right side
    15,085.61x = 200,143,801.63
  5. Step 5: Solve for x
    x = 200,143,801.63/15,085.61
  6. Step 6: Final answer
    x = 13,267.20

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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.