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Finding the Fourth Proportional to 19,481, 29,206.90 and 6,325.52

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Solution

The fourth proportional to 19,481, 29,206.90 and 6,325.52 is: 9,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481 : 29,206.90 = 6,325.52 : x
  2. Step 2: Convert to fraction form
    19,481/29,206.90 = 6,325.52/x
  3. Step 3: Cross multiply
    19,481x = 29,206.90 × 6,325.52
  4. Step 4: Simplify right side
    19,481x = 184,748,830.09
  5. Step 5: Solve for x
    x = 184,748,830.09/19,481
  6. Step 6: Final answer
    x = 9,483.54

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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.