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Finding the Fourth Proportional to 22,101.80, 33,152.70 and 13,353.80

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Solution

The fourth proportional to 22,101.80, 33,152.70 and 13,353.80 is: 20,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.80 : 33,152.70 = 13,353.80 : x
  2. Step 2: Convert to fraction form
    22,101.80/33,152.70 = 13,353.80/x
  3. Step 3: Cross multiply
    22,101.80x = 33,152.70 × 13,353.80
  4. Step 4: Simplify right side
    22,101.80x = 442,714,525.26
  5. Step 5: Solve for x
    x = 442,714,525.26/22,101.80
  6. Step 6: Final answer
    x = 20,030.70

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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.