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Finding the Fourth Proportional to 7,168.04, 9,891.78 and 4,024.52

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Solution

The fourth proportional to 7,168.04, 9,891.78 and 4,024.52 is: 5,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.04 : 9,891.78 = 4,024.52 : x
  2. Step 2: Convert to fraction form
    7,168.04/9,891.78 = 4,024.52/x
  3. Step 3: Cross multiply
    7,168.04x = 9,891.78 × 4,024.52
  4. Step 4: Simplify right side
    7,168.04x = 39,809,666.45
  5. Step 5: Solve for x
    x = 39,809,666.45/7,168.04
  6. Step 6: Final answer
    x = 5,553.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.