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Finding the Fourth Proportional to 7,018.55, 10,529.55 and 2,338.55

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Solution

The fourth proportional to 7,018.55, 10,529.55 and 2,338.55 is: 3,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.55 : 10,529.55 = 2,338.55 : x
  2. Step 2: Convert to fraction form
    7,018.55/10,529.55 = 2,338.55/x
  3. Step 3: Cross multiply
    7,018.55x = 10,529.55 × 2,338.55
  4. Step 4: Simplify right side
    7,018.55x = 24,623,879.15
  5. Step 5: Solve for x
    x = 24,623,879.15/7,018.55
  6. Step 6: Final answer
    x = 3,508.40

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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.