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Finding the Fourth Proportional to 6,632.36, 9,887.53 and 6,321.32

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Solution

The fourth proportional to 6,632.36, 9,887.53 and 6,321.32 is: 9,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.36 : 9,887.53 = 6,321.32 : x
  2. Step 2: Convert to fraction form
    6,632.36/9,887.53 = 6,321.32/x
  3. Step 3: Cross multiply
    6,632.36x = 9,887.53 × 6,321.32
  4. Step 4: Simplify right side
    6,632.36x = 62,502,241.14
  5. Step 5: Solve for x
    x = 62,502,241.14/6,632.36
  6. Step 6: Final answer
    x = 9,423.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.