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Finding the Fourth Proportional to 7,913.17, 11,875.59 and 3,753.17

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Solution

The fourth proportional to 7,913.17, 11,875.59 and 3,753.17 is: 5,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.17 : 11,875.59 = 3,753.17 : x
  2. Step 2: Convert to fraction form
    7,913.17/11,875.59 = 3,753.17/x
  3. Step 3: Cross multiply
    7,913.17x = 11,875.59 × 3,753.17
  4. Step 4: Simplify right side
    7,913.17x = 44,571,108.12
  5. Step 5: Solve for x
    x = 44,571,108.12/7,913.17
  6. Step 6: Final answer
    x = 5,632.52

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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.