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Finding the Fourth Proportional to 6,333.60, 8,746.20 and 4,243.80

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Solution

The fourth proportional to 6,333.60, 8,746.20 and 4,243.80 is: 5,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.60 : 8,746.20 = 4,243.80 : x
  2. Step 2: Convert to fraction form
    6,333.60/8,746.20 = 4,243.80/x
  3. Step 3: Cross multiply
    6,333.60x = 8,746.20 × 4,243.80
  4. Step 4: Simplify right side
    6,333.60x = 37,117,123.56
  5. Step 5: Solve for x
    x = 37,117,123.56/6,333.60
  6. Step 6: Final answer
    x = 5,860.35

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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.