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Finding the Fourth Proportional to 22,878.80, 34,326.10 and 9,558.90

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Solution

The fourth proportional to 22,878.80, 34,326.10 and 9,558.90 is: 14,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.80 : 34,326.10 = 9,558.90 : x
  2. Step 2: Convert to fraction form
    22,878.80/34,326.10 = 9,558.90/x
  3. Step 3: Cross multiply
    22,878.80x = 34,326.10 × 9,558.90
  4. Step 4: Simplify right side
    22,878.80x = 328,119,757.29
  5. Step 5: Solve for x
    x = 328,119,757.29/22,878.80
  6. Step 6: Final answer
    x = 14,341.65

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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.