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Finding the Fourth Proportional to 56,488.84, 84,735.47 and 17,045.96

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Solution

The fourth proportional to 56,488.84, 84,735.47 and 17,045.96 is: 25,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.84 : 84,735.47 = 17,045.96 : x
  2. Step 2: Convert to fraction form
    56,488.84/84,735.47 = 17,045.96/x
  3. Step 3: Cross multiply
    56,488.84x = 84,735.47 × 17,045.96
  4. Step 4: Simplify right side
    56,488.84x = 1,444,397,432.20
  5. Step 5: Solve for x
    x = 1,444,397,432.20/56,488.84
  6. Step 6: Final answer
    x = 25,569.61

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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.