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Finding the Fourth Proportional to 55,794.40, 83,699.70 and 18,356.20

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Solution

The fourth proportional to 55,794.40, 83,699.70 and 18,356.20 is: 27,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.40 : 83,699.70 = 18,356.20 : x
  2. Step 2: Convert to fraction form
    55,794.40/83,699.70 = 18,356.20/x
  3. Step 3: Cross multiply
    55,794.40x = 83,699.70 × 18,356.20
  4. Step 4: Simplify right side
    55,794.40x = 1,536,408,433.14
  5. Step 5: Solve for x
    x = 1,536,408,433.14/55,794.40
  6. Step 6: Final answer
    x = 27,536.96

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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.