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Finding the Fourth Proportional to 55,223.64, 82,710.83 and 25,579.20

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Solution

The fourth proportional to 55,223.64, 82,710.83 and 25,579.20 is: 38,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.64 : 82,710.83 = 25,579.20 : x
  2. Step 2: Convert to fraction form
    55,223.64/82,710.83 = 25,579.20/x
  3. Step 3: Cross multiply
    55,223.64x = 82,710.83 × 25,579.20
  4. Step 4: Simplify right side
    55,223.64x = 2,115,676,862.74
  5. Step 5: Solve for x
    x = 2,115,676,862.74/55,223.64
  6. Step 6: Final answer
    x = 38,311.07

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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.