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Finding the Fourth Proportional to 62,573.10, 86,358.11 and 35,719.47

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Solution

The fourth proportional to 62,573.10, 86,358.11 and 35,719.47 is: 49,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,573.10 : 86,358.11 = 35,719.47 : x
  2. Step 2: Convert to fraction form
    62,573.10/86,358.11 = 35,719.47/x
  3. Step 3: Cross multiply
    62,573.10x = 86,358.11 × 35,719.47
  4. Step 4: Simplify right side
    62,573.10x = 3,084,665,919.40
  5. Step 5: Solve for x
    x = 3,084,665,919.40/62,573.10
  6. Step 6: Final answer
    x = 49,297.00

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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.