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Finding the Fourth Proportional to 55,513.80, 83,246.40 and 22,222.80

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Solution

The fourth proportional to 55,513.80, 83,246.40 and 22,222.80 is: 33,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.80 : 83,246.40 = 22,222.80 : x
  2. Step 2: Convert to fraction form
    55,513.80/83,246.40 = 22,222.80/x
  3. Step 3: Cross multiply
    55,513.80x = 83,246.40 × 22,222.80
  4. Step 4: Simplify right side
    55,513.80x = 1,849,968,097.92
  5. Step 5: Solve for x
    x = 1,849,968,097.92/55,513.80
  6. Step 6: Final answer
    x = 33,324.47

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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.