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Finding the Fourth Proportional to 58,545.78, 87,827.22 and 19,093.20

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Solution

The fourth proportional to 58,545.78, 87,827.22 and 19,093.20 is: 28,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.78 : 87,827.22 = 19,093.20 : x
  2. Step 2: Convert to fraction form
    58,545.78/87,827.22 = 19,093.20/x
  3. Step 3: Cross multiply
    58,545.78x = 87,827.22 × 19,093.20
  4. Step 4: Simplify right side
    58,545.78x = 1,676,902,676.90
  5. Step 5: Solve for x
    x = 1,676,902,676.90/58,545.78
  6. Step 6: Final answer
    x = 28,642.59

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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.