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Finding the Fourth Proportional to 54,875.50, 82,208.07 and 32,621.50

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Solution

The fourth proportional to 54,875.50, 82,208.07 and 32,621.50 is: 48,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.50 : 82,208.07 = 32,621.50 : x
  2. Step 2: Convert to fraction form
    54,875.50/82,208.07 = 32,621.50/x
  3. Step 3: Cross multiply
    54,875.50x = 82,208.07 × 32,621.50
  4. Step 4: Simplify right side
    54,875.50x = 2,681,750,555.51
  5. Step 5: Solve for x
    x = 2,681,750,555.51/54,875.50
  6. Step 6: Final answer
    x = 48,869.72

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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.