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Finding the Fourth Proportional to 10,894.80, 15,024.84 and 7,753.68

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Solution

The fourth proportional to 10,894.80, 15,024.84 and 7,753.68 is: 10,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.80 : 15,024.84 = 7,753.68 : x
  2. Step 2: Convert to fraction form
    10,894.80/15,024.84 = 7,753.68/x
  3. Step 3: Cross multiply
    10,894.80x = 15,024.84 × 7,753.68
  4. Step 4: Simplify right side
    10,894.80x = 116,497,801.41
  5. Step 5: Solve for x
    x = 116,497,801.41/10,894.80
  6. Step 6: Final answer
    x = 10,692.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.