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Finding the Fourth Proportional to 6,525.79, 9,005.61 and 3,541.61

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Solution

The fourth proportional to 6,525.79, 9,005.61 and 3,541.61 is: 4,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.79 : 9,005.61 = 3,541.61 : x
  2. Step 2: Convert to fraction form
    6,525.79/9,005.61 = 3,541.61/x
  3. Step 3: Cross multiply
    6,525.79x = 9,005.61 × 3,541.61
  4. Step 4: Simplify right side
    6,525.79x = 31,894,358.43
  5. Step 5: Solve for x
    x = 31,894,358.43/6,525.79
  6. Step 6: Final answer
    x = 4,887.43

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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.