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Finding the Fourth Proportional to 25,703.52, 38,555.32 and 7,235.52

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Solution

The fourth proportional to 25,703.52, 38,555.32 and 7,235.52 is: 10,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.52 : 38,555.32 = 7,235.52 : x
  2. Step 2: Convert to fraction form
    25,703.52/38,555.32 = 7,235.52/x
  3. Step 3: Cross multiply
    25,703.52x = 38,555.32 × 7,235.52
  4. Step 4: Simplify right side
    25,703.52x = 278,967,788.97
  5. Step 5: Solve for x
    x = 278,967,788.97/25,703.52
  6. Step 6: Final answer
    x = 10,853.29

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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.