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Finding the Fourth Proportional to 24,419.70, 33,699.87 and 13,809.11

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Solution

The fourth proportional to 24,419.70, 33,699.87 and 13,809.11 is: 19,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,419.70 : 33,699.87 = 13,809.11 : x
  2. Step 2: Convert to fraction form
    24,419.70/33,699.87 = 13,809.11/x
  3. Step 3: Cross multiply
    24,419.70x = 33,699.87 × 13,809.11
  4. Step 4: Simplify right side
    24,419.70x = 465,365,043.32
  5. Step 5: Solve for x
    x = 465,365,043.32/24,419.70
  6. Step 6: Final answer
    x = 19,056.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.