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Finding the Fourth Proportional to 23,591.99, 35,409.86 and 11,913.41

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Solution

The fourth proportional to 23,591.99, 35,409.86 and 11,913.41 is: 17,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,591.99 : 35,409.86 = 11,913.41 : x
  2. Step 2: Convert to fraction form
    23,591.99/35,409.86 = 11,913.41/x
  3. Step 3: Cross multiply
    23,591.99x = 35,409.86 × 11,913.41
  4. Step 4: Simplify right side
    23,591.99x = 421,851,943.61
  5. Step 5: Solve for x
    x = 421,851,943.61/23,591.99
  6. Step 6: Final answer
    x = 17,881.16

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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.