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Finding the Fourth Proportional to 6,444.60, 8,892.99 and 4,053.78

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Solution

The fourth proportional to 6,444.60, 8,892.99 and 4,053.78 is: 5,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.60 : 8,892.99 = 4,053.78 : x
  2. Step 2: Convert to fraction form
    6,444.60/8,892.99 = 4,053.78/x
  3. Step 3: Cross multiply
    6,444.60x = 8,892.99 × 4,053.78
  4. Step 4: Simplify right side
    6,444.60x = 36,050,225.00
  5. Step 5: Solve for x
    x = 36,050,225.00/6,444.60
  6. Step 6: Final answer
    x = 5,593.87

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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.