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Finding the Fourth Proportional to 7,803.55, 11,698.14 and 2,869.44

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Solution

The fourth proportional to 7,803.55, 11,698.14 and 2,869.44 is: 4,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.55 : 11,698.14 = 2,869.44 : x
  2. Step 2: Convert to fraction form
    7,803.55/11,698.14 = 2,869.44/x
  3. Step 3: Cross multiply
    7,803.55x = 11,698.14 × 2,869.44
  4. Step 4: Simplify right side
    7,803.55x = 33,567,110.84
  5. Step 5: Solve for x
    x = 33,567,110.84/7,803.55
  6. Step 6: Final answer
    x = 4,301.52

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1.5x scale

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.