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Finding the Fourth Proportional to 21,673.88, 32,512.50 and 6,883.64

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Solution

The fourth proportional to 21,673.88, 32,512.50 and 6,883.64 is: 10,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673.88 : 32,512.50 = 6,883.64 : x
  2. Step 2: Convert to fraction form
    21,673.88/32,512.50 = 6,883.64/x
  3. Step 3: Cross multiply
    21,673.88x = 32,512.50 × 6,883.64
  4. Step 4: Simplify right side
    21,673.88x = 223,804,345.50
  5. Step 5: Solve for x
    x = 223,804,345.50/21,673.88
  6. Step 6: Final answer
    x = 10,325.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.