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Finding the Fourth Proportional to 62,805.93, 86,582.57 and 44,894.40

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Solution

The fourth proportional to 62,805.93, 86,582.57 and 44,894.40 is: 61,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.93 : 86,582.57 = 44,894.40 : x
  2. Step 2: Convert to fraction form
    62,805.93/86,582.57 = 44,894.40/x
  3. Step 3: Cross multiply
    62,805.93x = 86,582.57 × 44,894.40
  4. Step 4: Simplify right side
    62,805.93x = 3,887,072,306.14
  5. Step 5: Solve for x
    x = 3,887,072,306.14/62,805.93
  6. Step 6: Final answer
    x = 61,890.21

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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.