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Finding the Fourth Proportional to 4,904.98, 6,768.72 and 2,666.86

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Solution

The fourth proportional to 4,904.98, 6,768.72 and 2,666.86 is: 3,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.98 : 6,768.72 = 2,666.86 : x
  2. Step 2: Convert to fraction form
    4,904.98/6,768.72 = 2,666.86/x
  3. Step 3: Cross multiply
    4,904.98x = 6,768.72 × 2,666.86
  4. Step 4: Simplify right side
    4,904.98x = 18,051,211.70
  5. Step 5: Solve for x
    x = 18,051,211.70/4,904.98
  6. Step 6: Final answer
    x = 3,680.18

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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.