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Finding the Fourth Proportional to 3,339.88, 4,608.95 and 1,847.80

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Solution

The fourth proportional to 3,339.88, 4,608.95 and 1,847.80 is: 2,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.88 : 4,608.95 = 1,847.80 : x
  2. Step 2: Convert to fraction form
    3,339.88/4,608.95 = 1,847.80/x
  3. Step 3: Cross multiply
    3,339.88x = 4,608.95 × 1,847.80
  4. Step 4: Simplify right side
    3,339.88x = 8,516,417.81
  5. Step 5: Solve for x
    x = 8,516,417.81/3,339.88
  6. Step 6: Final answer
    x = 2,549.92

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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.