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Finding the Fourth Proportional to 6,123.95, 8,451.04 and 3,329.45

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Solution

The fourth proportional to 6,123.95, 8,451.04 and 3,329.45 is: 4,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.95 : 8,451.04 = 3,329.45 : x
  2. Step 2: Convert to fraction form
    6,123.95/8,451.04 = 3,329.45/x
  3. Step 3: Cross multiply
    6,123.95x = 8,451.04 × 3,329.45
  4. Step 4: Simplify right side
    6,123.95x = 28,137,315.13
  5. Step 5: Solve for x
    x = 28,137,315.13/6,123.95
  6. Step 6: Final answer
    x = 4,594.64

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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.