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Finding the Fourth Proportional to 55,535.80, 83,279.40 and 22,244.80

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Solution

The fourth proportional to 55,535.80, 83,279.40 and 22,244.80 is: 33,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.80 : 83,279.40 = 22,244.80 : x
  2. Step 2: Convert to fraction form
    55,535.80/83,279.40 = 22,244.80/x
  3. Step 3: Cross multiply
    55,535.80x = 83,279.40 × 22,244.80
  4. Step 4: Simplify right side
    55,535.80x = 1,852,533,597.12
  5. Step 5: Solve for x
    x = 1,852,533,597.12/55,535.80
  6. Step 6: Final answer
    x = 33,357.47

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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.