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Finding the Fourth Proportional to 21,681.95, 32,524.03 and 6,100.79

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Solution

The fourth proportional to 21,681.95, 32,524.03 and 6,100.79 is: 9,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.95 : 32,524.03 = 6,100.79 : x
  2. Step 2: Convert to fraction form
    21,681.95/32,524.03 = 6,100.79/x
  3. Step 3: Cross multiply
    21,681.95x = 32,524.03 × 6,100.79
  4. Step 4: Simplify right side
    21,681.95x = 198,422,121.99
  5. Step 5: Solve for x
    x = 198,422,121.99/21,681.95
  6. Step 6: Final answer
    x = 9,151.49

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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.