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Finding the Fourth Proportional to 12,350.89, 18,526.92 and 4,030.89

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Solution

The fourth proportional to 12,350.89, 18,526.92 and 4,030.89 is: 6,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.89 : 18,526.92 = 4,030.89 : x
  2. Step 2: Convert to fraction form
    12,350.89/18,526.92 = 4,030.89/x
  3. Step 3: Cross multiply
    12,350.89x = 18,526.92 × 4,030.89
  4. Step 4: Simplify right side
    12,350.89x = 74,679,976.56
  5. Step 5: Solve for x
    x = 74,679,976.56/12,350.89
  6. Step 6: Final answer
    x = 6,046.53

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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.