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Finding the Fourth Proportional to 14,662.93, 20,237.55 and 8,375.30

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Solution

The fourth proportional to 14,662.93, 20,237.55 and 8,375.30 is: 11,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.93 : 20,237.55 = 8,375.30 : x
  2. Step 2: Convert to fraction form
    14,662.93/20,237.55 = 8,375.30/x
  3. Step 3: Cross multiply
    14,662.93x = 20,237.55 × 8,375.30
  4. Step 4: Simplify right side
    14,662.93x = 169,495,552.52
  5. Step 5: Solve for x
    x = 169,495,552.52/14,662.93
  6. Step 6: Final answer
    x = 11,559.46

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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.