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Finding the Fourth Proportional to 10,967.70, 16,451.55 and 9,801.30

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Solution

The fourth proportional to 10,967.70, 16,451.55 and 9,801.30 is: 14,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.70 : 16,451.55 = 9,801.30 : x
  2. Step 2: Convert to fraction form
    10,967.70/16,451.55 = 9,801.30/x
  3. Step 3: Cross multiply
    10,967.70x = 16,451.55 × 9,801.30
  4. Step 4: Simplify right side
    10,967.70x = 161,246,577.02
  5. Step 5: Solve for x
    x = 161,246,577.02/10,967.70
  6. Step 6: Final answer
    x = 14,701.95

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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.