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Finding the Fourth Proportional to 22,801.86, 34,203.06 and 7,215.84

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Solution

The fourth proportional to 22,801.86, 34,203.06 and 7,215.84 is: 10,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.86 : 34,203.06 = 7,215.84 : x
  2. Step 2: Convert to fraction form
    22,801.86/34,203.06 = 7,215.84/x
  3. Step 3: Cross multiply
    22,801.86x = 34,203.06 × 7,215.84
  4. Step 4: Simplify right side
    22,801.86x = 246,803,808.47
  5. Step 5: Solve for x
    x = 246,803,808.47/22,801.86
  6. Step 6: Final answer
    x = 10,823.85

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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.