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Finding the Fourth Proportional to 8,665.33, 11,958.09 and 4,888.53

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Solution

The fourth proportional to 8,665.33, 11,958.09 and 4,888.53 is: 6,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.33 : 11,958.09 = 4,888.53 : x
  2. Step 2: Convert to fraction form
    8,665.33/11,958.09 = 4,888.53/x
  3. Step 3: Cross multiply
    8,665.33x = 11,958.09 × 4,888.53
  4. Step 4: Simplify right side
    8,665.33x = 58,457,464.12
  5. Step 5: Solve for x
    x = 58,457,464.12/8,665.33
  6. Step 6: Final answer
    x = 6,746.13

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1.5x scale

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.