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Finding the Fourth Proportional to 6,611.84, 9,904.96 and 4,526.88

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Solution

The fourth proportional to 6,611.84, 9,904.96 and 4,526.88 is: 6,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.84 : 9,904.96 = 4,526.88 : x
  2. Step 2: Convert to fraction form
    6,611.84/9,904.96 = 4,526.88/x
  3. Step 3: Cross multiply
    6,611.84x = 9,904.96 × 4,526.88
  4. Step 4: Simplify right side
    6,611.84x = 44,838,565.32
  5. Step 5: Solve for x
    x = 44,838,565.32/6,611.84
  6. Step 6: Final answer
    x = 6,781.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.