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Finding the Fourth Proportional to 8,970.67, 13,449.51 and 4,584.79

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Solution

The fourth proportional to 8,970.67, 13,449.51 and 4,584.79 is: 6,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.67 : 13,449.51 = 4,584.79 : x
  2. Step 2: Convert to fraction form
    8,970.67/13,449.51 = 4,584.79/x
  3. Step 3: Cross multiply
    8,970.67x = 13,449.51 × 4,584.79
  4. Step 4: Simplify right side
    8,970.67x = 61,663,178.95
  5. Step 5: Solve for x
    x = 61,663,178.95/8,970.67
  6. Step 6: Final answer
    x = 6,873.87

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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.