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Finding the Fourth Proportional to 22,590.57, 33,853.53 and 12,709.11

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Solution

The fourth proportional to 22,590.57, 33,853.53 and 12,709.11 is: 19,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.57 : 33,853.53 = 12,709.11 : x
  2. Step 2: Convert to fraction form
    22,590.57/33,853.53 = 12,709.11/x
  3. Step 3: Cross multiply
    22,590.57x = 33,853.53 × 12,709.11
  4. Step 4: Simplify right side
    22,590.57x = 430,248,236.66
  5. Step 5: Solve for x
    x = 430,248,236.66/22,590.57
  6. Step 6: Final answer
    x = 19,045.48

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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.