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Finding the Fourth Proportional to 47,253, 70,844.34 and 20,593.93

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Solution

The fourth proportional to 47,253, 70,844.34 and 20,593.93 is: 30,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253 : 70,844.34 = 20,593.93 : x
  2. Step 2: Convert to fraction form
    47,253/70,844.34 = 20,593.93/x
  3. Step 3: Cross multiply
    47,253x = 70,844.34 × 20,593.93
  4. Step 4: Simplify right side
    47,253x = 1,458,963,378.86
  5. Step 5: Solve for x
    x = 1,458,963,378.86/47,253
  6. Step 6: Final answer
    x = 30,875.57

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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.