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Finding the Fourth Proportional to 22,437.71, 30,963.63 and 12,228.83

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Solution

The fourth proportional to 22,437.71, 30,963.63 and 12,228.83 is: 16,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.71 : 30,963.63 = 12,228.83 : x
  2. Step 2: Convert to fraction form
    22,437.71/30,963.63 = 12,228.83/x
  3. Step 3: Cross multiply
    22,437.71x = 30,963.63 × 12,228.83
  4. Step 4: Simplify right side
    22,437.71x = 378,648,967.45
  5. Step 5: Solve for x
    x = 378,648,967.45/22,437.71
  6. Step 6: Final answer
    x = 16,875.56

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Double scale
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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.