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Finding the Fourth Proportional to 62,209.25, 85,848.77 and 39,853.25

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Solution

The fourth proportional to 62,209.25, 85,848.77 and 39,853.25 is: 54,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.25 : 85,848.77 = 39,853.25 : x
  2. Step 2: Convert to fraction form
    62,209.25/85,848.77 = 39,853.25/x
  3. Step 3: Cross multiply
    62,209.25x = 85,848.77 × 39,853.25
  4. Step 4: Simplify right side
    62,209.25x = 3,421,352,293.74
  5. Step 5: Solve for x
    x = 3,421,352,293.74/62,209.25
  6. Step 6: Final answer
    x = 54,997.49

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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.