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Finding the Fourth Proportional to 19,593.86, 29,395.76 and 9,071.47

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Solution

The fourth proportional to 19,593.86, 29,395.76 and 9,071.47 is: 13,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.86 : 29,395.76 = 9,071.47 : x
  2. Step 2: Convert to fraction form
    19,593.86/29,395.76 = 9,071.47/x
  3. Step 3: Cross multiply
    19,593.86x = 29,395.76 × 9,071.47
  4. Step 4: Simplify right side
    19,593.86x = 266,662,754.97
  5. Step 5: Solve for x
    x = 266,662,754.97/19,593.86
  6. Step 6: Final answer
    x = 13,609.51

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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.