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Finding the Fourth Proportional to 19,573.68, 29,372.16 and 7,092.48

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Solution

The fourth proportional to 19,573.68, 29,372.16 and 7,092.48 is: 10,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.68 : 29,372.16 = 7,092.48 : x
  2. Step 2: Convert to fraction form
    19,573.68/29,372.16 = 7,092.48/x
  3. Step 3: Cross multiply
    19,573.68x = 29,372.16 × 7,092.48
  4. Step 4: Simplify right side
    19,573.68x = 208,321,457.36
  5. Step 5: Solve for x
    x = 208,321,457.36/19,573.68
  6. Step 6: Final answer
    x = 10,642.94

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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.