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Finding the Fourth Proportional to 61,882.84, 85,400.15 and 33,590.35

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Solution

The fourth proportional to 61,882.84, 85,400.15 and 33,590.35 is: 46,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.84 : 85,400.15 = 33,590.35 : x
  2. Step 2: Convert to fraction form
    61,882.84/85,400.15 = 33,590.35/x
  3. Step 3: Cross multiply
    61,882.84x = 85,400.15 × 33,590.35
  4. Step 4: Simplify right side
    61,882.84x = 2,868,620,928.55
  5. Step 5: Solve for x
    x = 2,868,620,928.55/61,882.84
  6. Step 6: Final answer
    x = 46,355.68

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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.