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Finding the Fourth Proportional to 25,595.80, 38,392.38 and 9,808.39

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Solution

The fourth proportional to 25,595.80, 38,392.38 and 9,808.39 is: 14,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,595.80 : 38,392.38 = 9,808.39 : x
  2. Step 2: Convert to fraction form
    25,595.80/38,392.38 = 9,808.39/x
  3. Step 3: Cross multiply
    25,595.80x = 38,392.38 × 9,808.39
  4. Step 4: Simplify right side
    25,595.80x = 376,567,484.06
  5. Step 5: Solve for x
    x = 376,567,484.06/25,595.80
  6. Step 6: Final answer
    x = 14,712.08

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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.