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Finding the Fourth Proportional to 14,950.88, 20,627.88 and 9,648.80

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Solution

The fourth proportional to 14,950.88, 20,627.88 and 9,648.80 is: 13,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.88 : 20,627.88 = 9,648.80 : x
  2. Step 2: Convert to fraction form
    14,950.88/20,627.88 = 9,648.80/x
  3. Step 3: Cross multiply
    14,950.88x = 20,627.88 × 9,648.80
  4. Step 4: Simplify right side
    14,950.88x = 199,034,288.54
  5. Step 5: Solve for x
    x = 199,034,288.54/14,950.88
  6. Step 6: Final answer
    x = 13,312.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.