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Finding the Fourth Proportional to 9,292.40, 13,943.40 and 4,098.80

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Solution

The fourth proportional to 9,292.40, 13,943.40 and 4,098.80 is: 6,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.40 : 13,943.40 = 4,098.80 : x
  2. Step 2: Convert to fraction form
    9,292.40/13,943.40 = 4,098.80/x
  3. Step 3: Cross multiply
    9,292.40x = 13,943.40 × 4,098.80
  4. Step 4: Simplify right side
    9,292.40x = 57,151,207.92
  5. Step 5: Solve for x
    x = 57,151,207.92/9,292.40
  6. Step 6: Final answer
    x = 6,150.32

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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.