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Finding the Fourth Proportional to 7,708.16, 10,636.16 and 4,350.72

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Solution

The fourth proportional to 7,708.16, 10,636.16 and 4,350.72 is: 6,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.16 : 10,636.16 = 4,350.72 : x
  2. Step 2: Convert to fraction form
    7,708.16/10,636.16 = 4,350.72/x
  3. Step 3: Cross multiply
    7,708.16x = 10,636.16 × 4,350.72
  4. Step 4: Simplify right side
    7,708.16x = 46,274,954.04
  5. Step 5: Solve for x
    x = 46,274,954.04/7,708.16
  6. Step 6: Final answer
    x = 6,003.37

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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.