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Finding the Fourth Proportional to 7,502.86, 11,253.11 and 4,721.02

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Solution

The fourth proportional to 7,502.86, 11,253.11 and 4,721.02 is: 7,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.86 : 11,253.11 = 4,721.02 : x
  2. Step 2: Convert to fraction form
    7,502.86/11,253.11 = 4,721.02/x
  3. Step 3: Cross multiply
    7,502.86x = 11,253.11 × 4,721.02
  4. Step 4: Simplify right side
    7,502.86x = 53,126,157.37
  5. Step 5: Solve for x
    x = 53,126,157.37/7,502.86
  6. Step 6: Final answer
    x = 7,080.79

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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.