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Finding the Fourth Proportional to 2,526.99, 3,791.04 and 772.14

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Solution

The fourth proportional to 2,526.99, 3,791.04 and 772.14 is: 1,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.99 : 3,791.04 = 772.14 : x
  2. Step 2: Convert to fraction form
    2,526.99/3,791.04 = 772.14/x
  3. Step 3: Cross multiply
    2,526.99x = 3,791.04 × 772.14
  4. Step 4: Simplify right side
    2,526.99x = 2,927,213.63
  5. Step 5: Solve for x
    x = 2,927,213.63/2,526.99
  6. Step 6: Final answer
    x = 1,158.38

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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.