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Finding the Fourth Proportional to 6,444.04, 8,889.50 and 4,019.40

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Solution

The fourth proportional to 6,444.04, 8,889.50 and 4,019.40 is: 5,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.04 : 8,889.50 = 4,019.40 : x
  2. Step 2: Convert to fraction form
    6,444.04/8,889.50 = 4,019.40/x
  3. Step 3: Cross multiply
    6,444.04x = 8,889.50 × 4,019.40
  4. Step 4: Simplify right side
    6,444.04x = 35,730,456.30
  5. Step 5: Solve for x
    x = 35,730,456.30/6,444.04
  6. Step 6: Final answer
    x = 5,544.73

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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.