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Finding the Fourth Proportional to 7,064.66, 10,572.46 and 4,395.16

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Solution

The fourth proportional to 7,064.66, 10,572.46 and 4,395.16 is: 6,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.66 : 10,572.46 = 4,395.16 : x
  2. Step 2: Convert to fraction form
    7,064.66/10,572.46 = 4,395.16/x
  3. Step 3: Cross multiply
    7,064.66x = 10,572.46 × 4,395.16
  4. Step 4: Simplify right side
    7,064.66x = 46,467,600.43
  5. Step 5: Solve for x
    x = 46,467,600.43/7,064.66
  6. Step 6: Final answer
    x = 6,577.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.