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Finding the Fourth Proportional to 15,264.67, 22,878.78 and 8,681.80

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Solution

The fourth proportional to 15,264.67, 22,878.78 and 8,681.80 is: 13,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.67 : 22,878.78 = 8,681.80 : x
  2. Step 2: Convert to fraction form
    15,264.67/22,878.78 = 8,681.80/x
  3. Step 3: Cross multiply
    15,264.67x = 22,878.78 × 8,681.80
  4. Step 4: Simplify right side
    15,264.67x = 198,628,992.20
  5. Step 5: Solve for x
    x = 198,628,992.20/15,264.67
  6. Step 6: Final answer
    x = 13,012.33

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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.