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Finding the Fourth Proportional to 8,313, 11,471.94 and 4,587

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Solution

The fourth proportional to 8,313, 11,471.94 and 4,587 is: 6,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313 : 11,471.94 = 4,587 : x
  2. Step 2: Convert to fraction form
    8,313/11,471.94 = 4,587/x
  3. Step 3: Cross multiply
    8,313x = 11,471.94 × 4,587
  4. Step 4: Simplify right side
    8,313x = 52,621,788.78
  5. Step 5: Solve for x
    x = 52,621,788.78/8,313
  6. Step 6: Final answer
    x = 6,330.06

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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.