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Finding the Fourth Proportional to 24,568.45, 33,904.49 and 13,390.45

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Solution

The fourth proportional to 24,568.45, 33,904.49 and 13,390.45 is: 18,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,568.45 : 33,904.49 = 13,390.45 : x
  2. Step 2: Convert to fraction form
    24,568.45/33,904.49 = 13,390.45/x
  3. Step 3: Cross multiply
    24,568.45x = 33,904.49 × 13,390.45
  4. Step 4: Simplify right side
    24,568.45x = 453,996,378.12
  5. Step 5: Solve for x
    x = 453,996,378.12/24,568.45
  6. Step 6: Final answer
    x = 18,478.84

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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.