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Finding the Fourth Proportional to 7,323.95, 10,107.02 and 3,966.77

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Solution

The fourth proportional to 7,323.95, 10,107.02 and 3,966.77 is: 5,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.95 : 10,107.02 = 3,966.77 : x
  2. Step 2: Convert to fraction form
    7,323.95/10,107.02 = 3,966.77/x
  3. Step 3: Cross multiply
    7,323.95x = 10,107.02 × 3,966.77
  4. Step 4: Simplify right side
    7,323.95x = 40,092,153.36
  5. Step 5: Solve for x
    x = 40,092,153.36/7,323.95
  6. Step 6: Final answer
    x = 5,474.12

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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.