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Finding the Fourth Proportional to 5,362.66, 7,400.68 and 3,004.82

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Solution

The fourth proportional to 5,362.66, 7,400.68 and 3,004.82 is: 4,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.66 : 7,400.68 = 3,004.82 : x
  2. Step 2: Convert to fraction form
    5,362.66/7,400.68 = 3,004.82/x
  3. Step 3: Cross multiply
    5,362.66x = 7,400.68 × 3,004.82
  4. Step 4: Simplify right side
    5,362.66x = 22,237,711.28
  5. Step 5: Solve for x
    x = 22,237,711.28/5,362.66
  6. Step 6: Final answer
    x = 4,146.77

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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.