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Finding the Fourth Proportional to 6,444.76, 9,589.94 and 6,422.89

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Solution

The fourth proportional to 6,444.76, 9,589.94 and 6,422.89 is: 9,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.76 : 9,589.94 = 6,422.89 : x
  2. Step 2: Convert to fraction form
    6,444.76/9,589.94 = 6,422.89/x
  3. Step 3: Cross multiply
    6,444.76x = 9,589.94 × 6,422.89
  4. Step 4: Simplify right side
    6,444.76x = 61,595,129.73
  5. Step 5: Solve for x
    x = 61,595,129.73/6,444.76
  6. Step 6: Final answer
    x = 9,557.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.