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Finding the Fourth Proportional to 19,937.93, 29,892.96 and 8,838.63

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Solution

The fourth proportional to 19,937.93, 29,892.96 and 8,838.63 is: 13,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.93 : 29,892.96 = 8,838.63 : x
  2. Step 2: Convert to fraction form
    19,937.93/29,892.96 = 8,838.63/x
  3. Step 3: Cross multiply
    19,937.93x = 29,892.96 × 8,838.63
  4. Step 4: Simplify right side
    19,937.93x = 264,212,813.04
  5. Step 5: Solve for x
    x = 264,212,813.04/19,937.93
  6. Step 6: Final answer
    x = 13,251.77

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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.