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Finding the Fourth Proportional to 19,573.20, 29,368.17 and 10,220.22

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Solution

The fourth proportional to 19,573.20, 29,368.17 and 10,220.22 is: 15,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.20 : 29,368.17 = 10,220.22 : x
  2. Step 2: Convert to fraction form
    19,573.20/29,368.17 = 10,220.22/x
  3. Step 3: Cross multiply
    19,573.20x = 29,368.17 × 10,220.22
  4. Step 4: Simplify right side
    19,573.20x = 300,149,158.40
  5. Step 5: Solve for x
    x = 300,149,158.40/19,573.20
  6. Step 6: Final answer
    x = 15,334.70

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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.