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Finding the Fourth Proportional to 34,984.70, 48,278.39 and 19,069.21

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Solution

The fourth proportional to 34,984.70, 48,278.39 and 19,069.21 is: 26,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.70 : 48,278.39 = 19,069.21 : x
  2. Step 2: Convert to fraction form
    34,984.70/48,278.39 = 19,069.21/x
  3. Step 3: Cross multiply
    34,984.70x = 48,278.39 × 19,069.21
  4. Step 4: Simplify right side
    34,984.70x = 920,630,805.04
  5. Step 5: Solve for x
    x = 920,630,805.04/34,984.70
  6. Step 6: Final answer
    x = 26,315.24

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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.