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Finding the Fourth Proportional to 86,001.84, 129,051.90 and 33,404.49

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Solution

The fourth proportional to 86,001.84, 129,051.90 and 33,404.49 is: 50,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,001.84 : 129,051.90 = 33,404.49 : x
  2. Step 2: Convert to fraction form
    86,001.84/129,051.90 = 33,404.49/x
  3. Step 3: Cross multiply
    86,001.84x = 129,051.90 × 33,404.49
  4. Step 4: Simplify right side
    86,001.84x = 4,310,912,903.03
  5. Step 5: Solve for x
    x = 4,310,912,903.03/86,001.84
  6. Step 6: Final answer
    x = 50,125.82

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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.