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Finding the Fourth Proportional to 21,479.96, 32,219.94 and 5,897.99

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Solution

The fourth proportional to 21,479.96, 32,219.94 and 5,897.99 is: 8,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.96 : 32,219.94 = 5,897.99 : x
  2. Step 2: Convert to fraction form
    21,479.96/32,219.94 = 5,897.99/x
  3. Step 3: Cross multiply
    21,479.96x = 32,219.94 × 5,897.99
  4. Step 4: Simplify right side
    21,479.96x = 190,032,883.92
  5. Step 5: Solve for x
    x = 190,032,883.92/21,479.96
  6. Step 6: Final answer
    x = 8,846.99

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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.