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Finding the Fourth Proportional to 17,405.78, 26,073.55 and 8,032.77

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Solution

The fourth proportional to 17,405.78, 26,073.55 and 8,032.77 is: 12,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.78 : 26,073.55 = 8,032.77 : x
  2. Step 2: Convert to fraction form
    17,405.78/26,073.55 = 8,032.77/x
  3. Step 3: Cross multiply
    17,405.78x = 26,073.55 × 8,032.77
  4. Step 4: Simplify right side
    17,405.78x = 209,442,830.23
  5. Step 5: Solve for x
    x = 209,442,830.23/17,405.78
  6. Step 6: Final answer
    x = 12,032.95

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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.