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Finding the Fourth Proportional to 5,695.56, 7,860.07 and 3,305.35

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Solution

The fourth proportional to 5,695.56, 7,860.07 and 3,305.35 is: 4,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.56 : 7,860.07 = 3,305.35 : x
  2. Step 2: Convert to fraction form
    5,695.56/7,860.07 = 3,305.35/x
  3. Step 3: Cross multiply
    5,695.56x = 7,860.07 × 3,305.35
  4. Step 4: Simplify right side
    5,695.56x = 25,980,282.37
  5. Step 5: Solve for x
    x = 25,980,282.37/5,695.56
  6. Step 6: Final answer
    x = 4,561.50

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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.