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Finding the Fourth Proportional to 34,902.65, 48,154.77 and 19,794.12

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Solution

The fourth proportional to 34,902.65, 48,154.77 and 19,794.12 is: 27,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,902.65 : 48,154.77 = 19,794.12 : x
  2. Step 2: Convert to fraction form
    34,902.65/48,154.77 = 19,794.12/x
  3. Step 3: Cross multiply
    34,902.65x = 48,154.77 × 19,794.12
  4. Step 4: Simplify right side
    34,902.65x = 953,181,295.95
  5. Step 5: Solve for x
    x = 953,181,295.95/34,902.65
  6. Step 6: Final answer
    x = 27,309.72

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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.