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Finding the Fourth Proportional to 6,374.19, 8,797.21 and 4,881.57

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Solution

The fourth proportional to 6,374.19, 8,797.21 and 4,881.57 is: 6,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.19 : 8,797.21 = 4,881.57 : x
  2. Step 2: Convert to fraction form
    6,374.19/8,797.21 = 4,881.57/x
  3. Step 3: Cross multiply
    6,374.19x = 8,797.21 × 4,881.57
  4. Step 4: Simplify right side
    6,374.19x = 42,944,151.23
  5. Step 5: Solve for x
    x = 42,944,151.23/6,374.19
  6. Step 6: Final answer
    x = 6,737.19

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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.