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Finding the Fourth Proportional to 7,366.65, 10,165.71 and 4,009.39

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Solution

The fourth proportional to 7,366.65, 10,165.71 and 4,009.39 is: 5,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.65 : 10,165.71 = 4,009.39 : x
  2. Step 2: Convert to fraction form
    7,366.65/10,165.71 = 4,009.39/x
  3. Step 3: Cross multiply
    7,366.65x = 10,165.71 × 4,009.39
  4. Step 4: Simplify right side
    7,366.65x = 40,758,296.02
  5. Step 5: Solve for x
    x = 40,758,296.02/7,366.65
  6. Step 6: Final answer
    x = 5,532.81

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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.