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Finding the Fourth Proportional to 19,841.63, 29,776.85 and 7,363.45

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Solution

The fourth proportional to 19,841.63, 29,776.85 and 7,363.45 is: 11,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.63 : 29,776.85 = 7,363.45 : x
  2. Step 2: Convert to fraction form
    19,841.63/29,776.85 = 7,363.45/x
  3. Step 3: Cross multiply
    19,841.63x = 29,776.85 × 7,363.45
  4. Step 4: Simplify right side
    19,841.63x = 219,260,346.13
  5. Step 5: Solve for x
    x = 219,260,346.13/19,841.63
  6. Step 6: Final answer
    x = 11,050.52

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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.