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Finding the Fourth Proportional to 28,903.74, 43,358.48 and 7,844.10

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Solution

The fourth proportional to 28,903.74, 43,358.48 and 7,844.10 is: 11,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.74 : 43,358.48 = 7,844.10 : x
  2. Step 2: Convert to fraction form
    28,903.74/43,358.48 = 7,844.10/x
  3. Step 3: Cross multiply
    28,903.74x = 43,358.48 × 7,844.10
  4. Step 4: Simplify right side
    28,903.74x = 340,108,252.97
  5. Step 5: Solve for x
    x = 340,108,252.97/28,903.74
  6. Step 6: Final answer
    x = 11,766.93

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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.