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Finding the Fourth Proportional to 35,392.66, 48,841.88 and 19,477.11

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Solution

The fourth proportional to 35,392.66, 48,841.88 and 19,477.11 is: 26,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.66 : 48,841.88 = 19,477.11 : x
  2. Step 2: Convert to fraction form
    35,392.66/48,841.88 = 19,477.11/x
  3. Step 3: Cross multiply
    35,392.66x = 48,841.88 × 19,477.11
  4. Step 4: Simplify right side
    35,392.66x = 951,298,709.07
  5. Step 5: Solve for x
    x = 951,298,709.07/35,392.66
  6. Step 6: Final answer
    x = 26,878.42

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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.