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Finding the Fourth Proportional to 45,580.83, 68,370.84 and 15,991.74

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Solution

The fourth proportional to 45,580.83, 68,370.84 and 15,991.74 is: 23,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,580.83 : 68,370.84 = 15,991.74 : x
  2. Step 2: Convert to fraction form
    45,580.83/68,370.84 = 15,991.74/x
  3. Step 3: Cross multiply
    45,580.83x = 68,370.84 × 15,991.74
  4. Step 4: Simplify right side
    45,580.83x = 1,093,368,696.86
  5. Step 5: Solve for x
    x = 1,093,368,696.86/45,580.83
  6. Step 6: Final answer
    x = 23,987.47

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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.