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Finding the Fourth Proportional to 7,323.63, 10,106.63 and 3,966.49

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Solution

The fourth proportional to 7,323.63, 10,106.63 and 3,966.49 is: 5,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.63 : 10,106.63 = 3,966.49 : x
  2. Step 2: Convert to fraction form
    7,323.63/10,106.63 = 3,966.49/x
  3. Step 3: Cross multiply
    7,323.63x = 10,106.63 × 3,966.49
  4. Step 4: Simplify right side
    7,323.63x = 40,087,846.83
  5. Step 5: Solve for x
    x = 40,087,846.83/7,323.63
  6. Step 6: Final answer
    x = 5,473.77

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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.