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Finding the Fourth Proportional to 19,483.72, 29,221.08 and 9,488.14

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Solution

The fourth proportional to 19,483.72, 29,221.08 and 9,488.14 is: 14,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.72 : 29,221.08 = 9,488.14 : x
  2. Step 2: Convert to fraction form
    19,483.72/29,221.08 = 9,488.14/x
  3. Step 3: Cross multiply
    19,483.72x = 29,221.08 × 9,488.14
  4. Step 4: Simplify right side
    19,483.72x = 277,253,697.99
  5. Step 5: Solve for x
    x = 277,253,697.99/19,483.72
  6. Step 6: Final answer
    x = 14,230.02

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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.