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Finding the Fourth Proportional to 7,323.66, 10,106.64 and 3,966.47

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Solution

The fourth proportional to 7,323.66, 10,106.64 and 3,966.47 is: 5,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.66 : 10,106.64 = 3,966.47 : x
  2. Step 2: Convert to fraction form
    7,323.66/10,106.64 = 3,966.47/x
  3. Step 3: Cross multiply
    7,323.66x = 10,106.64 × 3,966.47
  4. Step 4: Simplify right side
    7,323.66x = 40,087,684.36
  5. Step 5: Solve for x
    x = 40,087,684.36/7,323.66
  6. Step 6: Final answer
    x = 5,473.72

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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.