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Finding the Fourth Proportional to 5,533.61, 7,636.15 and 3,015.66

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Solution

The fourth proportional to 5,533.61, 7,636.15 and 3,015.66 is: 4,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.61 : 7,636.15 = 3,015.66 : x
  2. Step 2: Convert to fraction form
    5,533.61/7,636.15 = 3,015.66/x
  3. Step 3: Cross multiply
    5,533.61x = 7,636.15 × 3,015.66
  4. Step 4: Simplify right side
    5,533.61x = 23,028,058.74
  5. Step 5: Solve for x
    x = 23,028,058.74/5,533.61
  6. Step 6: Final answer
    x = 4,161.49

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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.