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Finding the Fourth Proportional to 17,390.88, 26,083.08 and 8,030.52

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Solution

The fourth proportional to 17,390.88, 26,083.08 and 8,030.52 is: 12,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.88 : 26,083.08 = 8,030.52 : x
  2. Step 2: Convert to fraction form
    17,390.88/26,083.08 = 8,030.52/x
  3. Step 3: Cross multiply
    17,390.88x = 26,083.08 × 8,030.52
  4. Step 4: Simplify right side
    17,390.88x = 209,460,695.60
  5. Step 5: Solve for x
    x = 209,460,695.60/17,390.88
  6. Step 6: Final answer
    x = 12,044.28

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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.