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Finding the Fourth Proportional to 7,281.60, 10,923.60 and 2,352.48

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Solution

The fourth proportional to 7,281.60, 10,923.60 and 2,352.48 is: 3,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.60 : 10,923.60 = 2,352.48 : x
  2. Step 2: Convert to fraction form
    7,281.60/10,923.60 = 2,352.48/x
  3. Step 3: Cross multiply
    7,281.60x = 10,923.60 × 2,352.48
  4. Step 4: Simplify right side
    7,281.60x = 25,697,550.53
  5. Step 5: Solve for x
    x = 25,697,550.53/7,281.60
  6. Step 6: Final answer
    x = 3,529.11

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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.