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Finding the Fourth Proportional to 36,703.80, 50,643.90 and 25,355.43

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Solution

The fourth proportional to 36,703.80, 50,643.90 and 25,355.43 is: 34,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.80 : 50,643.90 = 25,355.43 : x
  2. Step 2: Convert to fraction form
    36,703.80/50,643.90 = 25,355.43/x
  3. Step 3: Cross multiply
    36,703.80x = 50,643.90 × 25,355.43
  4. Step 4: Simplify right side
    36,703.80x = 1,284,097,861.38
  5. Step 5: Solve for x
    x = 1,284,097,861.38/36,703.80
  6. Step 6: Final answer
    x = 34,985.42

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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.