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Finding the Fourth Proportional to 8,064.56, 11,129.10 and 4,707.52

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Solution

The fourth proportional to 8,064.56, 11,129.10 and 4,707.52 is: 6,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.56 : 11,129.10 = 4,707.52 : x
  2. Step 2: Convert to fraction form
    8,064.56/11,129.10 = 4,707.52/x
  3. Step 3: Cross multiply
    8,064.56x = 11,129.10 × 4,707.52
  4. Step 4: Simplify right side
    8,064.56x = 52,390,415.36
  5. Step 5: Solve for x
    x = 52,390,415.36/8,064.56
  6. Step 6: Final answer
    x = 6,496.37

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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.