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Finding the Fourth Proportional to 70,553.22, 97,365.24 and 38,721.84

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Solution

The fourth proportional to 70,553.22, 97,365.24 and 38,721.84 is: 53,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.22 : 97,365.24 = 38,721.84 : x
  2. Step 2: Convert to fraction form
    70,553.22/97,365.24 = 38,721.84/x
  3. Step 3: Cross multiply
    70,553.22x = 97,365.24 × 38,721.84
  4. Step 4: Simplify right side
    70,553.22x = 3,770,161,244.84
  5. Step 5: Solve for x
    x = 3,770,161,244.84/70,553.22
  6. Step 6: Final answer
    x = 53,437.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.