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Finding the Fourth Proportional to 3,483.69, 5,226.39 and 1,018.55

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Solution

The fourth proportional to 3,483.69, 5,226.39 and 1,018.55 is: 1,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.69 : 5,226.39 = 1,018.55 : x
  2. Step 2: Convert to fraction form
    3,483.69/5,226.39 = 1,018.55/x
  3. Step 3: Cross multiply
    3,483.69x = 5,226.39 × 1,018.55
  4. Step 4: Simplify right side
    3,483.69x = 5,323,313.40
  5. Step 5: Solve for x
    x = 5,323,313.40/3,483.69
  6. Step 6: Final answer
    x = 1,528.07

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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.