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Finding the Fourth Proportional to 61,140.63, 84,378.39 and 33,925.62

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Solution

The fourth proportional to 61,140.63, 84,378.39 and 33,925.62 is: 46,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.63 : 84,378.39 = 33,925.62 : x
  2. Step 2: Convert to fraction form
    61,140.63/84,378.39 = 33,925.62/x
  3. Step 3: Cross multiply
    61,140.63x = 84,378.39 × 33,925.62
  4. Step 4: Simplify right side
    61,140.63x = 2,862,589,195.35
  5. Step 5: Solve for x
    x = 2,862,589,195.35/61,140.63
  6. Step 6: Final answer
    x = 46,819.75

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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.