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Finding the Fourth Proportional to 8,996.67, 13,503.65 and 4,382.91

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Solution

The fourth proportional to 8,996.67, 13,503.65 and 4,382.91 is: 6,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.67 : 13,503.65 = 4,382.91 : x
  2. Step 2: Convert to fraction form
    8,996.67/13,503.65 = 4,382.91/x
  3. Step 3: Cross multiply
    8,996.67x = 13,503.65 × 4,382.91
  4. Step 4: Simplify right side
    8,996.67x = 59,185,260.71
  5. Step 5: Solve for x
    x = 59,185,260.71/8,996.67
  6. Step 6: Final answer
    x = 6,578.57

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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.