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Finding the Fourth Proportional to 5,627.70, 8,472.71 and 4,973.33

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Solution

The fourth proportional to 5,627.70, 8,472.71 and 4,973.33 is: 7,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.70 : 8,472.71 = 4,973.33 : x
  2. Step 2: Convert to fraction form
    5,627.70/8,472.71 = 4,973.33/x
  3. Step 3: Cross multiply
    5,627.70x = 8,472.71 × 4,973.33
  4. Step 4: Simplify right side
    5,627.70x = 42,137,616.44
  5. Step 5: Solve for x
    x = 42,137,616.44/5,627.70
  6. Step 6: Final answer
    x = 7,487.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.