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Finding the Fourth Proportional to 83,828.78, 125,798.56 and 39,468.22

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Solution

The fourth proportional to 83,828.78, 125,798.56 and 39,468.22 is: 59,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,828.78 : 125,798.56 = 39,468.22 : x
  2. Step 2: Convert to fraction form
    83,828.78/125,798.56 = 39,468.22/x
  3. Step 3: Cross multiply
    83,828.78x = 125,798.56 × 39,468.22
  4. Step 4: Simplify right side
    83,828.78x = 4,965,044,828.60
  5. Step 5: Solve for x
    x = 4,965,044,828.60/83,828.78
  6. Step 6: Final answer
    x = 59,228.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.