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Finding the Fourth Proportional to 7,799.68, 11,700.50 and 3,055.22

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Solution

The fourth proportional to 7,799.68, 11,700.50 and 3,055.22 is: 4,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.68 : 11,700.50 = 3,055.22 : x
  2. Step 2: Convert to fraction form
    7,799.68/11,700.50 = 3,055.22/x
  3. Step 3: Cross multiply
    7,799.68x = 11,700.50 × 3,055.22
  4. Step 4: Simplify right side
    7,799.68x = 35,747,601.61
  5. Step 5: Solve for x
    x = 35,747,601.61/7,799.68
  6. Step 6: Final answer
    x = 4,583.21

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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.