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Finding the Fourth Proportional to 22,970.88, 34,456.86 and 21,494.52

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Solution

The fourth proportional to 22,970.88, 34,456.86 and 21,494.52 is: 32,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.88 : 34,456.86 = 21,494.52 : x
  2. Step 2: Convert to fraction form
    22,970.88/34,456.86 = 21,494.52/x
  3. Step 3: Cross multiply
    22,970.88x = 34,456.86 × 21,494.52
  4. Step 4: Simplify right side
    22,970.88x = 740,633,666.41
  5. Step 5: Solve for x
    x = 740,633,666.41/22,970.88
  6. Step 6: Final answer
    x = 32,242.29

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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.