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Finding the Fourth Proportional to 10,796.40, 14,898.78 and 6,080.70

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Solution

The fourth proportional to 10,796.40, 14,898.78 and 6,080.70 is: 8,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.40 : 14,898.78 = 6,080.70 : x
  2. Step 2: Convert to fraction form
    10,796.40/14,898.78 = 6,080.70/x
  3. Step 3: Cross multiply
    10,796.40x = 14,898.78 × 6,080.70
  4. Step 4: Simplify right side
    10,796.40x = 90,595,011.55
  5. Step 5: Solve for x
    x = 90,595,011.55/10,796.40
  6. Step 6: Final answer
    x = 8,391.22

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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.