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Finding the Fourth Proportional to 34,492.66, 47,600.28 and 20,880.51

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Solution

The fourth proportional to 34,492.66, 47,600.28 and 20,880.51 is: 28,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,492.66 : 47,600.28 = 20,880.51 : x
  2. Step 2: Convert to fraction form
    34,492.66/47,600.28 = 20,880.51/x
  3. Step 3: Cross multiply
    34,492.66x = 47,600.28 × 20,880.51
  4. Step 4: Simplify right side
    34,492.66x = 993,918,136.64
  5. Step 5: Solve for x
    x = 993,918,136.64/34,492.66
  6. Step 6: Final answer
    x = 28,815.35

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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.