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Finding the Fourth Proportional to 84,645.72, 127,026.90 and 37,950.84

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Solution

The fourth proportional to 84,645.72, 127,026.90 and 37,950.84 is: 56,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,645.72 : 127,026.90 = 37,950.84 : x
  2. Step 2: Convert to fraction form
    84,645.72/127,026.90 = 37,950.84/x
  3. Step 3: Cross multiply
    84,645.72x = 127,026.90 × 37,950.84
  4. Step 4: Simplify right side
    84,645.72x = 4,820,777,557.60
  5. Step 5: Solve for x
    x = 4,820,777,557.60/84,645.72
  6. Step 6: Final answer
    x = 56,952.41

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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.