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Finding the Fourth Proportional to 50,068.80, 69,098.30 and 28,849.44

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Solution

The fourth proportional to 50,068.80, 69,098.30 and 28,849.44 is: 39,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,068.80 : 69,098.30 = 28,849.44 : x
  2. Step 2: Convert to fraction form
    50,068.80/69,098.30 = 28,849.44/x
  3. Step 3: Cross multiply
    50,068.80x = 69,098.30 × 28,849.44
  4. Step 4: Simplify right side
    50,068.80x = 1,993,447,259.95
  5. Step 5: Solve for x
    x = 1,993,447,259.95/50,068.80
  6. Step 6: Final answer
    x = 39,814.16

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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.