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Finding the Fourth Proportional to 62,508.74, 86,254.47 and 49,794.30

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Solution

The fourth proportional to 62,508.74, 86,254.47 and 49,794.30 is: 68,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508.74 : 86,254.47 = 49,794.30 : x
  2. Step 2: Convert to fraction form
    62,508.74/86,254.47 = 49,794.30/x
  3. Step 3: Cross multiply
    62,508.74x = 86,254.47 × 49,794.30
  4. Step 4: Simplify right side
    62,508.74x = 4,294,980,955.52
  5. Step 5: Solve for x
    x = 4,294,980,955.52/62,508.74
  6. Step 6: Final answer
    x = 68,710.09

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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.