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Finding the Fourth Proportional to 8,558, 11,810.04 and 4,832

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Solution

The fourth proportional to 8,558, 11,810.04 and 4,832 is: 6,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558 : 11,810.04 = 4,832 : x
  2. Step 2: Convert to fraction form
    8,558/11,810.04 = 4,832/x
  3. Step 3: Cross multiply
    8,558x = 11,810.04 × 4,832
  4. Step 4: Simplify right side
    8,558x = 57,066,113.28
  5. Step 5: Solve for x
    x = 57,066,113.28/8,558
  6. Step 6: Final answer
    x = 6,668.16

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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.