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Finding the Fourth Proportional to 70,882.48, 97,822.23 and 39,051.37

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Solution

The fourth proportional to 70,882.48, 97,822.23 and 39,051.37 is: 53,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.48 : 97,822.23 = 39,051.37 : x
  2. Step 2: Convert to fraction form
    70,882.48/97,822.23 = 39,051.37/x
  3. Step 3: Cross multiply
    70,882.48x = 97,822.23 × 39,051.37
  4. Step 4: Simplify right side
    70,882.48x = 3,820,092,097.96
  5. Step 5: Solve for x
    x = 3,820,092,097.96/70,882.48
  6. Step 6: Final answer
    x = 53,893.32

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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.