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Finding the Fourth Proportional to 8,501.85, 12,753.38 and 2,954.48

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Solution

The fourth proportional to 8,501.85, 12,753.38 and 2,954.48 is: 4,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.85 : 12,753.38 = 2,954.48 : x
  2. Step 2: Convert to fraction form
    8,501.85/12,753.38 = 2,954.48/x
  3. Step 3: Cross multiply
    8,501.85x = 12,753.38 × 2,954.48
  4. Step 4: Simplify right side
    8,501.85x = 37,679,549.76
  5. Step 5: Solve for x
    x = 37,679,549.76/8,501.85
  6. Step 6: Final answer
    x = 4,431.92

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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.