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Finding the Fourth Proportional to 5,703.60, 8,555.31 and 4,727.64

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Solution

The fourth proportional to 5,703.60, 8,555.31 and 4,727.64 is: 7,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.60 : 8,555.31 = 4,727.64 : x
  2. Step 2: Convert to fraction form
    5,703.60/8,555.31 = 4,727.64/x
  3. Step 3: Cross multiply
    5,703.60x = 8,555.31 × 4,727.64
  4. Step 4: Simplify right side
    5,703.60x = 40,446,425.77
  5. Step 5: Solve for x
    x = 40,446,425.77/5,703.60
  6. Step 6: Final answer
    x = 7,091.39

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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.