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Finding the Fourth Proportional to 62,578.44, 86,354.91 and 35,719.92

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Solution

The fourth proportional to 62,578.44, 86,354.91 and 35,719.92 is: 49,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.44 : 86,354.91 = 35,719.92 : x
  2. Step 2: Convert to fraction form
    62,578.44/86,354.91 = 35,719.92/x
  3. Step 3: Cross multiply
    62,578.44x = 86,354.91 × 35,719.92
  4. Step 4: Simplify right side
    62,578.44x = 3,084,590,476.81
  5. Step 5: Solve for x
    x = 3,084,590,476.81/62,578.44
  6. Step 6: Final answer
    x = 49,291.58

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1.5x scale

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.