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Finding the Fourth Proportional to 26,424.52, 39,642.88 and 8,893.92

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Solution

The fourth proportional to 26,424.52, 39,642.88 and 8,893.92 is: 13,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.52 : 39,642.88 = 8,893.92 : x
  2. Step 2: Convert to fraction form
    26,424.52/39,642.88 = 8,893.92/x
  3. Step 3: Cross multiply
    26,424.52x = 39,642.88 × 8,893.92
  4. Step 4: Simplify right side
    26,424.52x = 352,580,603.29
  5. Step 5: Solve for x
    x = 352,580,603.29/26,424.52
  6. Step 6: Final answer
    x = 13,342.93

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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.