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Finding the Fourth Proportional to 12,149.94, 16,762.05 and 7,426.02

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Solution

The fourth proportional to 12,149.94, 16,762.05 and 7,426.02 is: 10,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.94 : 16,762.05 = 7,426.02 : x
  2. Step 2: Convert to fraction form
    12,149.94/16,762.05 = 7,426.02/x
  3. Step 3: Cross multiply
    12,149.94x = 16,762.05 × 7,426.02
  4. Step 4: Simplify right side
    12,149.94x = 124,475,318.54
  5. Step 5: Solve for x
    x = 124,475,318.54/12,149.94
  6. Step 6: Final answer
    x = 10,244.93

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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.