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Finding the Fourth Proportional to 7,360.48, 11,040.90 and 2,430.55

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Solution

The fourth proportional to 7,360.48, 11,040.90 and 2,430.55 is: 3,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.48 : 11,040.90 = 2,430.55 : x
  2. Step 2: Convert to fraction form
    7,360.48/11,040.90 = 2,430.55/x
  3. Step 3: Cross multiply
    7,360.48x = 11,040.90 × 2,430.55
  4. Step 4: Simplify right side
    7,360.48x = 26,835,459.50
  5. Step 5: Solve for x
    x = 26,835,459.50/7,360.48
  6. Step 6: Final answer
    x = 3,645.88

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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.