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Finding the Fourth Proportional to 30,437.59, 45,593.48 and 17,919.04

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Solution

The fourth proportional to 30,437.59, 45,593.48 and 17,919.04 is: 26,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.59 : 45,593.48 = 17,919.04 : x
  2. Step 2: Convert to fraction form
    30,437.59/45,593.48 = 17,919.04/x
  3. Step 3: Cross multiply
    30,437.59x = 45,593.48 × 17,919.04
  4. Step 4: Simplify right side
    30,437.59x = 816,991,163.89
  5. Step 5: Solve for x
    x = 816,991,163.89/30,437.59
  6. Step 6: Final answer
    x = 26,841.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.