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Finding the Fourth Proportional to 83,529, 125,291.07 and 30,937.32

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Solution

The fourth proportional to 83,529, 125,291.07 and 30,937.32 is: 46,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529 : 125,291.07 = 30,937.32 : x
  2. Step 2: Convert to fraction form
    83,529/125,291.07 = 30,937.32/x
  3. Step 3: Cross multiply
    83,529x = 125,291.07 × 30,937.32
  4. Step 4: Simplify right side
    83,529x = 3,876,169,925.73
  5. Step 5: Solve for x
    x = 3,876,169,925.73/83,529
  6. Step 6: Final answer
    x = 46,405.08

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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.