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Finding the Fourth Proportional to 7,751.04, 11,620.02 and 3,365.19

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Solution

The fourth proportional to 7,751.04, 11,620.02 and 3,365.19 is: 5,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.04 : 11,620.02 = 3,365.19 : x
  2. Step 2: Convert to fraction form
    7,751.04/11,620.02 = 3,365.19/x
  3. Step 3: Cross multiply
    7,751.04x = 11,620.02 × 3,365.19
  4. Step 4: Simplify right side
    7,751.04x = 39,103,575.10
  5. Step 5: Solve for x
    x = 39,103,575.10/7,751.04
  6. Step 6: Final answer
    x = 5,044.95

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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.