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Finding the Fourth Proportional to 19,598.63, 29,402.80 and 5,747.63

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Solution

The fourth proportional to 19,598.63, 29,402.80 and 5,747.63 is: 8,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.63 : 29,402.80 = 5,747.63 : x
  2. Step 2: Convert to fraction form
    19,598.63/29,402.80 = 5,747.63/x
  3. Step 3: Cross multiply
    19,598.63x = 29,402.80 × 5,747.63
  4. Step 4: Simplify right side
    19,598.63x = 168,996,253.98
  5. Step 5: Solve for x
    x = 168,996,253.98/19,598.63
  6. Step 6: Final answer
    x = 8,622.86

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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.