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Finding the Fourth Proportional to 5,323.56, 7,345.80 and 2,965.56

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Solution

The fourth proportional to 5,323.56, 7,345.80 and 2,965.56 is: 4,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.56 : 7,345.80 = 2,965.56 : x
  2. Step 2: Convert to fraction form
    5,323.56/7,345.80 = 2,965.56/x
  3. Step 3: Cross multiply
    5,323.56x = 7,345.80 × 2,965.56
  4. Step 4: Simplify right side
    5,323.56x = 21,784,410.65
  5. Step 5: Solve for x
    x = 21,784,410.65/5,323.56
  6. Step 6: Final answer
    x = 4,092.08

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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.