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Finding the Fourth Proportional to 25,869.33, 38,802.92 and 7,401.33

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Solution

The fourth proportional to 25,869.33, 38,802.92 and 7,401.33 is: 11,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.33 : 38,802.92 = 7,401.33 : x
  2. Step 2: Convert to fraction form
    25,869.33/38,802.92 = 7,401.33/x
  3. Step 3: Cross multiply
    25,869.33x = 38,802.92 × 7,401.33
  4. Step 4: Simplify right side
    25,869.33x = 287,193,178.88
  5. Step 5: Solve for x
    x = 287,193,178.88/25,869.33
  6. Step 6: Final answer
    x = 11,101.69

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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.