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Finding the Fourth Proportional to 6,367.86, 8,783.96 and 4,482.18

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Solution

The fourth proportional to 6,367.86, 8,783.96 and 4,482.18 is: 6,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.86 : 8,783.96 = 4,482.18 : x
  2. Step 2: Convert to fraction form
    6,367.86/8,783.96 = 4,482.18/x
  3. Step 3: Cross multiply
    6,367.86x = 8,783.96 × 4,482.18
  4. Step 4: Simplify right side
    6,367.86x = 39,371,267.42
  5. Step 5: Solve for x
    x = 39,371,267.42/6,367.86
  6. Step 6: Final answer
    x = 6,182.81

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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.