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Finding the Fourth Proportional to 34,851.80, 48,095.35 and 18,936.11

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Solution

The fourth proportional to 34,851.80, 48,095.35 and 18,936.11 is: 26,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.80 : 48,095.35 = 18,936.11 : x
  2. Step 2: Convert to fraction form
    34,851.80/48,095.35 = 18,936.11/x
  3. Step 3: Cross multiply
    34,851.80x = 48,095.35 × 18,936.11
  4. Step 4: Simplify right side
    34,851.80x = 910,738,838.09
  5. Step 5: Solve for x
    x = 910,738,838.09/34,851.80
  6. Step 6: Final answer
    x = 26,131.76

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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.