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Finding the Fourth Proportional to 10,866.02, 14,994.72 and 6,150.20

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Solution

The fourth proportional to 10,866.02, 14,994.72 and 6,150.20 is: 8,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.02 : 14,994.72 = 6,150.20 : x
  2. Step 2: Convert to fraction form
    10,866.02/14,994.72 = 6,150.20/x
  3. Step 3: Cross multiply
    10,866.02x = 14,994.72 × 6,150.20
  4. Step 4: Simplify right side
    10,866.02x = 92,220,451.97
  5. Step 5: Solve for x
    x = 92,220,451.97/10,866.02
  6. Step 6: Final answer
    x = 8,487.05

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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.