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Finding the Fourth Proportional to 6,703.78, 10,039.20 and 5,526.58

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Solution

The fourth proportional to 6,703.78, 10,039.20 and 5,526.58 is: 8,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.78 : 10,039.20 = 5,526.58 : x
  2. Step 2: Convert to fraction form
    6,703.78/10,039.20 = 5,526.58/x
  3. Step 3: Cross multiply
    6,703.78x = 10,039.20 × 5,526.58
  4. Step 4: Simplify right side
    6,703.78x = 55,482,441.94
  5. Step 5: Solve for x
    x = 55,482,441.94/6,703.78
  6. Step 6: Final answer
    x = 8,276.29

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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.