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Finding the Fourth Proportional to 7,700.95, 11,551.39 and 3,017.65

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Solution

The fourth proportional to 7,700.95, 11,551.39 and 3,017.65 is: 4,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.95 : 11,551.39 = 3,017.65 : x
  2. Step 2: Convert to fraction form
    7,700.95/11,551.39 = 3,017.65/x
  3. Step 3: Cross multiply
    7,700.95x = 11,551.39 × 3,017.65
  4. Step 4: Simplify right side
    7,700.95x = 34,858,052.03
  5. Step 5: Solve for x
    x = 34,858,052.03/7,700.95
  6. Step 6: Final answer
    x = 4,526.46

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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.