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Finding the Fourth Proportional to 54,873.02, 82,223.04 and 42,423.50

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Solution

The fourth proportional to 54,873.02, 82,223.04 and 42,423.50 is: 63,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.02 : 82,223.04 = 42,423.50 : x
  2. Step 2: Convert to fraction form
    54,873.02/82,223.04 = 42,423.50/x
  3. Step 3: Cross multiply
    54,873.02x = 82,223.04 × 42,423.50
  4. Step 4: Simplify right side
    54,873.02x = 3,488,189,137.44
  5. Step 5: Solve for x
    x = 3,488,189,137.44/54,873.02
  6. Step 6: Final answer
    x = 63,568.38

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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.