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Finding the Fourth Proportional to 5,574.04, 7,692.90 and 3,661.51

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Solution

The fourth proportional to 5,574.04, 7,692.90 and 3,661.51 is: 5,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.04 : 7,692.90 = 3,661.51 : x
  2. Step 2: Convert to fraction form
    5,574.04/7,692.90 = 3,661.51/x
  3. Step 3: Cross multiply
    5,574.04x = 7,692.90 × 3,661.51
  4. Step 4: Simplify right side
    5,574.04x = 28,167,630.28
  5. Step 5: Solve for x
    x = 28,167,630.28/5,574.04
  6. Step 6: Final answer
    x = 5,053.36

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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.