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Finding the Fourth Proportional to 53,800.40, 80,671.80 and 22,600.40

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Solution

The fourth proportional to 53,800.40, 80,671.80 and 22,600.40 is: 33,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.40 : 80,671.80 = 22,600.40 : x
  2. Step 2: Convert to fraction form
    53,800.40/80,671.80 = 22,600.40/x
  3. Step 3: Cross multiply
    53,800.40x = 80,671.80 × 22,600.40
  4. Step 4: Simplify right side
    53,800.40x = 1,823,214,948.72
  5. Step 5: Solve for x
    x = 1,823,214,948.72/53,800.40
  6. Step 6: Final answer
    x = 33,888.50

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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.