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Finding the Fourth Proportional to 8,614.74, 11,887.32 and 4,837.08

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Solution

The fourth proportional to 8,614.74, 11,887.32 and 4,837.08 is: 6,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.74 : 11,887.32 = 4,837.08 : x
  2. Step 2: Convert to fraction form
    8,614.74/11,887.32 = 4,837.08/x
  3. Step 3: Cross multiply
    8,614.74x = 11,887.32 × 4,837.08
  4. Step 4: Simplify right side
    8,614.74x = 57,499,917.83
  5. Step 5: Solve for x
    x = 57,499,917.83/8,614.74
  6. Step 6: Final answer
    x = 6,674.60

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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.