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Finding the Fourth Proportional to 8,051.59, 11,111.95 and 4,515.54

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Solution

The fourth proportional to 8,051.59, 11,111.95 and 4,515.54 is: 6,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.59 : 11,111.95 = 4,515.54 : x
  2. Step 2: Convert to fraction form
    8,051.59/11,111.95 = 4,515.54/x
  3. Step 3: Cross multiply
    8,051.59x = 11,111.95 × 4,515.54
  4. Step 4: Simplify right side
    8,051.59x = 50,176,454.70
  5. Step 5: Solve for x
    x = 50,176,454.70/8,051.59
  6. Step 6: Final answer
    x = 6,231.87

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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.