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Finding the Fourth Proportional to 3,573.72, 4,927.17 and 2,312.55

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Solution

The fourth proportional to 3,573.72, 4,927.17 and 2,312.55 is: 3,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.72 : 4,927.17 = 2,312.55 : x
  2. Step 2: Convert to fraction form
    3,573.72/4,927.17 = 2,312.55/x
  3. Step 3: Cross multiply
    3,573.72x = 4,927.17 × 2,312.55
  4. Step 4: Simplify right side
    3,573.72x = 11,394,326.98
  5. Step 5: Solve for x
    x = 11,394,326.98/3,573.72
  6. Step 6: Final answer
    x = 3,188.37

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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.