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Finding the Fourth Proportional to 5,529.47, 7,630.47 and 3,290.82

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Solution

The fourth proportional to 5,529.47, 7,630.47 and 3,290.82 is: 4,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.47 : 7,630.47 = 3,290.82 : x
  2. Step 2: Convert to fraction form
    5,529.47/7,630.47 = 3,290.82/x
  3. Step 3: Cross multiply
    5,529.47x = 7,630.47 × 3,290.82
  4. Step 4: Simplify right side
    5,529.47x = 25,110,503.29
  5. Step 5: Solve for x
    x = 25,110,503.29/5,529.47
  6. Step 6: Final answer
    x = 4,541.22

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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.