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Finding the Fourth Proportional to 8,975.61, 13,463.42 and 4,294.52

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Solution

The fourth proportional to 8,975.61, 13,463.42 and 4,294.52 is: 6,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.61 : 13,463.42 = 4,294.52 : x
  2. Step 2: Convert to fraction form
    8,975.61/13,463.42 = 4,294.52/x
  3. Step 3: Cross multiply
    8,975.61x = 13,463.42 × 4,294.52
  4. Step 4: Simplify right side
    8,975.61x = 57,818,837.67
  5. Step 5: Solve for x
    x = 57,818,837.67/8,975.61
  6. Step 6: Final answer
    x = 6,441.78

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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.