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Finding the Fourth Proportional to 17,394.52, 26,045.34 and 9,987.88

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Solution

The fourth proportional to 17,394.52, 26,045.34 and 9,987.88 is: 14,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,394.52 : 26,045.34 = 9,987.88 : x
  2. Step 2: Convert to fraction form
    17,394.52/26,045.34 = 9,987.88/x
  3. Step 3: Cross multiply
    17,394.52x = 26,045.34 × 9,987.88
  4. Step 4: Simplify right side
    17,394.52x = 260,137,730.48
  5. Step 5: Solve for x
    x = 260,137,730.48/17,394.52
  6. Step 6: Final answer
    x = 14,955.15

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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.