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Finding the Fourth Proportional to 5,362.61, 7,400.46 and 3,004.59

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Solution

The fourth proportional to 5,362.61, 7,400.46 and 3,004.59 is: 4,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.61 : 7,400.46 = 3,004.59 : x
  2. Step 2: Convert to fraction form
    5,362.61/7,400.46 = 3,004.59/x
  3. Step 3: Cross multiply
    5,362.61x = 7,400.46 × 3,004.59
  4. Step 4: Simplify right side
    5,362.61x = 22,235,387.13
  5. Step 5: Solve for x
    x = 22,235,387.13/5,362.61
  6. Step 6: Final answer
    x = 4,146.38

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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.