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Finding the Fourth Proportional to 54,875.02, 82,226.04 and 42,425.50

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Solution

The fourth proportional to 54,875.02, 82,226.04 and 42,425.50 is: 63,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.02 : 82,226.04 = 42,425.50 : x
  2. Step 2: Convert to fraction form
    54,875.02/82,226.04 = 42,425.50/x
  3. Step 3: Cross multiply
    54,875.02x = 82,226.04 × 42,425.50
  4. Step 4: Simplify right side
    54,875.02x = 3,488,480,860.02
  5. Step 5: Solve for x
    x = 3,488,480,860.02/54,875.02
  6. Step 6: Final answer
    x = 63,571.38

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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.