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Finding the Fourth Proportional to 25,322.40, 37,910.70 and 22,406.40

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Solution

The fourth proportional to 25,322.40, 37,910.70 and 22,406.40 is: 33,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.40 : 37,910.70 = 22,406.40 : x
  2. Step 2: Convert to fraction form
    25,322.40/37,910.70 = 22,406.40/x
  3. Step 3: Cross multiply
    25,322.40x = 37,910.70 × 22,406.40
  4. Step 4: Simplify right side
    25,322.40x = 849,442,308.48
  5. Step 5: Solve for x
    x = 849,442,308.48/25,322.40
  6. Step 6: Final answer
    x = 33,545.09

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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.