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Finding the Fourth Proportional to 17,117.80, 25,703.10 and 9,341.80

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Solution

The fourth proportional to 17,117.80, 25,703.10 and 9,341.80 is: 14,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.80 : 25,703.10 = 9,341.80 : x
  2. Step 2: Convert to fraction form
    17,117.80/25,703.10 = 9,341.80/x
  3. Step 3: Cross multiply
    17,117.80x = 25,703.10 × 9,341.80
  4. Step 4: Simplify right side
    17,117.80x = 240,113,219.58
  5. Step 5: Solve for x
    x = 240,113,219.58/17,117.80
  6. Step 6: Final answer
    x = 14,027.11

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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.