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Finding the Fourth Proportional to 7,685.07, 10,536.28 and 7,544.97

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Solution

The fourth proportional to 7,685.07, 10,536.28 and 7,544.97 is: 10,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.07 : 10,536.28 = 7,544.97 : x
  2. Step 2: Convert to fraction form
    7,685.07/10,536.28 = 7,544.97/x
  3. Step 3: Cross multiply
    7,685.07x = 10,536.28 × 7,544.97
  4. Step 4: Simplify right side
    7,685.07x = 79,495,826.11
  5. Step 5: Solve for x
    x = 79,495,826.11/7,685.07
  6. Step 6: Final answer
    x = 10,344.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.