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Finding the Fourth Proportional to 7,374.70, 10,177.03 and 4,017.50

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Solution

The fourth proportional to 7,374.70, 10,177.03 and 4,017.50 is: 5,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.70 : 10,177.03 = 4,017.50 : x
  2. Step 2: Convert to fraction form
    7,374.70/10,177.03 = 4,017.50/x
  3. Step 3: Cross multiply
    7,374.70x = 10,177.03 × 4,017.50
  4. Step 4: Simplify right side
    7,374.70x = 40,886,218.03
  5. Step 5: Solve for x
    x = 40,886,218.03/7,374.70
  6. Step 6: Final answer
    x = 5,544.12

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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.