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Finding the Fourth Proportional to 7,750.03, 11,625.05 and 2,555.91

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Solution

The fourth proportional to 7,750.03, 11,625.05 and 2,555.91 is: 3,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.03 : 11,625.05 = 2,555.91 : x
  2. Step 2: Convert to fraction form
    7,750.03/11,625.05 = 2,555.91/x
  3. Step 3: Cross multiply
    7,750.03x = 11,625.05 × 2,555.91
  4. Step 4: Simplify right side
    7,750.03x = 29,712,544.34
  5. Step 5: Solve for x
    x = 29,712,544.34/7,750.03
  6. Step 6: Final answer
    x = 3,833.86

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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.