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Finding the Fourth Proportional to 7,648.56, 10,553.76 and 4,504.32

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Solution

The fourth proportional to 7,648.56, 10,553.76 and 4,504.32 is: 6,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.56 : 10,553.76 = 4,504.32 : x
  2. Step 2: Convert to fraction form
    7,648.56/10,553.76 = 4,504.32/x
  3. Step 3: Cross multiply
    7,648.56x = 10,553.76 × 4,504.32
  4. Step 4: Simplify right side
    7,648.56x = 47,537,512.24
  5. Step 5: Solve for x
    x = 47,537,512.24/7,648.56
  6. Step 6: Final answer
    x = 6,215.22

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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.