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Finding the Fourth Proportional to 30,360.71, 41,909.34 and 22,828.92

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Solution

The fourth proportional to 30,360.71, 41,909.34 and 22,828.92 is: 31,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.71 : 41,909.34 = 22,828.92 : x
  2. Step 2: Convert to fraction form
    30,360.71/41,909.34 = 22,828.92/x
  3. Step 3: Cross multiply
    30,360.71x = 41,909.34 × 22,828.92
  4. Step 4: Simplify right side
    30,360.71x = 956,744,970.11
  5. Step 5: Solve for x
    x = 956,744,970.11/30,360.71
  6. Step 6: Final answer
    x = 31,512.61

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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.