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Finding the Fourth Proportional to 24,369.84, 33,630.12 and 13,758.84

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Solution

The fourth proportional to 24,369.84, 33,630.12 and 13,758.84 is: 18,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,369.84 : 33,630.12 = 13,758.84 : x
  2. Step 2: Convert to fraction form
    24,369.84/33,630.12 = 13,758.84/x
  3. Step 3: Cross multiply
    24,369.84x = 33,630.12 × 13,758.84
  4. Step 4: Simplify right side
    24,369.84x = 462,711,440.26
  5. Step 5: Solve for x
    x = 462,711,440.26/24,369.84
  6. Step 6: Final answer
    x = 18,987.05

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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.