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Finding the Fourth Proportional to 53,322.40, 80,012.40 and 22,160.80

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Solution

The fourth proportional to 53,322.40, 80,012.40 and 22,160.80 is: 33,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.40 : 80,012.40 = 22,160.80 : x
  2. Step 2: Convert to fraction form
    53,322.40/80,012.40 = 22,160.80/x
  3. Step 3: Cross multiply
    53,322.40x = 80,012.40 × 22,160.80
  4. Step 4: Simplify right side
    53,322.40x = 1,773,138,793.92
  5. Step 5: Solve for x
    x = 1,773,138,793.92/53,322.40
  6. Step 6: Final answer
    x = 33,253.17

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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.