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Finding the Fourth Proportional to 8,986.41, 13,467.47 and 7,039.17

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Solution

The fourth proportional to 8,986.41, 13,467.47 and 7,039.17 is: 10,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.41 : 13,467.47 = 7,039.17 : x
  2. Step 2: Convert to fraction form
    8,986.41/13,467.47 = 7,039.17/x
  3. Step 3: Cross multiply
    8,986.41x = 13,467.47 × 7,039.17
  4. Step 4: Simplify right side
    8,986.41x = 94,799,775.60
  5. Step 5: Solve for x
    x = 94,799,775.60/8,986.41
  6. Step 6: Final answer
    x = 10,549.24

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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.