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Finding the Fourth Proportional to 3,338.50, 5,008.02 and 1,030

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Solution

The fourth proportional to 3,338.50, 5,008.02 and 1,030 is: 1,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.50 : 5,008.02 = 1,030 : x
  2. Step 2: Convert to fraction form
    3,338.50/5,008.02 = 1,030/x
  3. Step 3: Cross multiply
    3,338.50x = 5,008.02 × 1,030
  4. Step 4: Simplify right side
    3,338.50x = 5,158,260.60
  5. Step 5: Solve for x
    x = 5,158,260.60/3,338.50
  6. Step 6: Final answer
    x = 1,545.08

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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.