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Finding the Fourth Proportional to 7,360.68, 11,041.68 and 2,430.36

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Solution

The fourth proportional to 7,360.68, 11,041.68 and 2,430.36 is: 3,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.68 : 11,041.68 = 2,430.36 : x
  2. Step 2: Convert to fraction form
    7,360.68/11,041.68 = 2,430.36/x
  3. Step 3: Cross multiply
    7,360.68x = 11,041.68 × 2,430.36
  4. Step 4: Simplify right side
    7,360.68x = 26,835,257.40
  5. Step 5: Solve for x
    x = 26,835,257.40/7,360.68
  6. Step 6: Final answer
    x = 3,645.76

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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.