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Finding the Fourth Proportional to 7,323.49, 10,980.01 and 3,425.77

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Solution

The fourth proportional to 7,323.49, 10,980.01 and 3,425.77 is: 5,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.49 : 10,980.01 = 3,425.77 : x
  2. Step 2: Convert to fraction form
    7,323.49/10,980.01 = 3,425.77/x
  3. Step 3: Cross multiply
    7,323.49x = 10,980.01 × 3,425.77
  4. Step 4: Simplify right side
    7,323.49x = 37,614,988.86
  5. Step 5: Solve for x
    x = 37,614,988.86/7,323.49
  6. Step 6: Final answer
    x = 5,136.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.