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Finding the Fourth Proportional to 7,701.57, 11,496.65 and 6,767.40

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Solution

The fourth proportional to 7,701.57, 11,496.65 and 6,767.40 is: 10,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.57 : 11,496.65 = 6,767.40 : x
  2. Step 2: Convert to fraction form
    7,701.57/11,496.65 = 6,767.40/x
  3. Step 3: Cross multiply
    7,701.57x = 11,496.65 × 6,767.40
  4. Step 4: Simplify right side
    7,701.57x = 77,802,395.37
  5. Step 5: Solve for x
    x = 77,802,395.37/7,701.57
  6. Step 6: Final answer
    x = 10,102.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.