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Finding the Fourth Proportional to 12,133.52, 18,200.24 and 3,925.52

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Solution

The fourth proportional to 12,133.52, 18,200.24 and 3,925.52 is: 5,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.52 : 18,200.24 = 3,925.52 : x
  2. Step 2: Convert to fraction form
    12,133.52/18,200.24 = 3,925.52/x
  3. Step 3: Cross multiply
    12,133.52x = 18,200.24 × 3,925.52
  4. Step 4: Simplify right side
    12,133.52x = 71,445,406.12
  5. Step 5: Solve for x
    x = 71,445,406.12/12,133.52
  6. Step 6: Final answer
    x = 5,888.27

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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.