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Finding the Fourth Proportional to 21,551.93, 32,327.93 and 6,761.98

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Solution

The fourth proportional to 21,551.93, 32,327.93 and 6,761.98 is: 10,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.93 : 32,327.93 = 6,761.98 : x
  2. Step 2: Convert to fraction form
    21,551.93/32,327.93 = 6,761.98/x
  3. Step 3: Cross multiply
    21,551.93x = 32,327.93 × 6,761.98
  4. Step 4: Simplify right side
    21,551.93x = 218,600,701.47
  5. Step 5: Solve for x
    x = 218,600,701.47/21,551.93
  6. Step 6: Final answer
    x = 10,142.98

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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.