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Finding the Fourth Proportional to 38,603.30, 57,926.55 and 16,412.90

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Solution

The fourth proportional to 38,603.30, 57,926.55 and 16,412.90 is: 24,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.30 : 57,926.55 = 16,412.90 : x
  2. Step 2: Convert to fraction form
    38,603.30/57,926.55 = 16,412.90/x
  3. Step 3: Cross multiply
    38,603.30x = 57,926.55 × 16,412.90
  4. Step 4: Simplify right side
    38,603.30x = 950,742,672.50
  5. Step 5: Solve for x
    x = 950,742,672.50/38,603.30
  6. Step 6: Final answer
    x = 24,628.53

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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.