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Finding the Fourth Proportional to 22,849.88, 31,537.15 and 12,913.88

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Solution

The fourth proportional to 22,849.88, 31,537.15 and 12,913.88 is: 17,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.88 : 31,537.15 = 12,913.88 : x
  2. Step 2: Convert to fraction form
    22,849.88/31,537.15 = 12,913.88/x
  3. Step 3: Cross multiply
    22,849.88x = 31,537.15 × 12,913.88
  4. Step 4: Simplify right side
    22,849.88x = 407,266,780.67
  5. Step 5: Solve for x
    x = 407,266,780.67/22,849.88
  6. Step 6: Final answer
    x = 17,823.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.