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Finding the Fourth Proportional to 3,346.54, 4,618.21 and 1,854.55

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Solution

The fourth proportional to 3,346.54, 4,618.21 and 1,854.55 is: 2,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.54 : 4,618.21 = 1,854.55 : x
  2. Step 2: Convert to fraction form
    3,346.54/4,618.21 = 1,854.55/x
  3. Step 3: Cross multiply
    3,346.54x = 4,618.21 × 1,854.55
  4. Step 4: Simplify right side
    3,346.54x = 8,564,701.36
  5. Step 5: Solve for x
    x = 8,564,701.36/3,346.54
  6. Step 6: Final answer
    x = 2,559.27

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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.