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Finding the Fourth Proportional to 5,574.15, 7,695 and 4,453.92

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Solution

The fourth proportional to 5,574.15, 7,695 and 4,453.92 is: 6,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.15 : 7,695 = 4,453.92 : x
  2. Step 2: Convert to fraction form
    5,574.15/7,695 = 4,453.92/x
  3. Step 3: Cross multiply
    5,574.15x = 7,695 × 4,453.92
  4. Step 4: Simplify right side
    5,574.15x = 34,272,914.40
  5. Step 5: Solve for x
    x = 34,272,914.40/5,574.15
  6. Step 6: Final answer
    x = 6,148.55

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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.