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Finding the Fourth Proportional to 55,301.40, 82,962.90 and 22,015.80

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Solution

The fourth proportional to 55,301.40, 82,962.90 and 22,015.80 is: 33,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.40 : 82,962.90 = 22,015.80 : x
  2. Step 2: Convert to fraction form
    55,301.40/82,962.90 = 22,015.80/x
  3. Step 3: Cross multiply
    55,301.40x = 82,962.90 × 22,015.80
  4. Step 4: Simplify right side
    55,301.40x = 1,826,494,613.82
  5. Step 5: Solve for x
    x = 1,826,494,613.82/55,301.40
  6. Step 6: Final answer
    x = 33,028.00

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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.