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Finding the Fourth Proportional to 24,946.32, 34,392.84 and 20,681.28

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Solution

The fourth proportional to 24,946.32, 34,392.84 and 20,681.28 is: 28,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,946.32 : 34,392.84 = 20,681.28 : x
  2. Step 2: Convert to fraction form
    24,946.32/34,392.84 = 20,681.28/x
  3. Step 3: Cross multiply
    24,946.32x = 34,392.84 × 20,681.28
  4. Step 4: Simplify right side
    24,946.32x = 711,287,954.04
  5. Step 5: Solve for x
    x = 711,287,954.04/24,946.32
  6. Step 6: Final answer
    x = 28,512.74

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