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Finding the Fourth Proportional to 9,472.56, 13,071.60 and 5,223.48

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Solution

The fourth proportional to 9,472.56, 13,071.60 and 5,223.48 is: 7,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.56 : 13,071.60 = 5,223.48 : x
  2. Step 2: Convert to fraction form
    9,472.56/13,071.60 = 5,223.48/x
  3. Step 3: Cross multiply
    9,472.56x = 13,071.60 × 5,223.48
  4. Step 4: Simplify right side
    9,472.56x = 68,279,241.17
  5. Step 5: Solve for x
    x = 68,279,241.17/9,472.56
  6. Step 6: Final answer
    x = 7,208.11

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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.