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Finding the Fourth Proportional to 19,573.71, 29,360.57 and 13,756.29

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Solution

The fourth proportional to 19,573.71, 29,360.57 and 13,756.29 is: 20,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.71 : 29,360.57 = 13,756.29 : x
  2. Step 2: Convert to fraction form
    19,573.71/29,360.57 = 13,756.29/x
  3. Step 3: Cross multiply
    19,573.71x = 29,360.57 × 13,756.29
  4. Step 4: Simplify right side
    19,573.71x = 403,892,446.70
  5. Step 5: Solve for x
    x = 403,892,446.70/19,573.71
  6. Step 6: Final answer
    x = 20,634.44

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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.