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Finding the Fourth Proportional to 8,045.52, 11,102.52 and 4,688.52

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Solution

The fourth proportional to 8,045.52, 11,102.52 and 4,688.52 is: 6,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.52 : 11,102.52 = 4,688.52 : x
  2. Step 2: Convert to fraction form
    8,045.52/11,102.52 = 4,688.52/x
  3. Step 3: Cross multiply
    8,045.52x = 11,102.52 × 4,688.52
  4. Step 4: Simplify right side
    8,045.52x = 52,054,387.07
  5. Step 5: Solve for x
    x = 52,054,387.07/8,045.52
  6. Step 6: Final answer
    x = 6,469.98

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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.