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Finding the Fourth Proportional to 6,700.85, 10,040.33 and 6,444.89

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Solution

The fourth proportional to 6,700.85, 10,040.33 and 6,444.89 is: 9,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.85 : 10,040.33 = 6,444.89 : x
  2. Step 2: Convert to fraction form
    6,700.85/10,040.33 = 6,444.89/x
  3. Step 3: Cross multiply
    6,700.85x = 10,040.33 × 6,444.89
  4. Step 4: Simplify right side
    6,700.85x = 64,708,788.32
  5. Step 5: Solve for x
    x = 64,708,788.32/6,700.85
  6. Step 6: Final answer
    x = 9,656.81

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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.