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Finding the Fourth Proportional to 84,294.88, 126,427.03 and 36,900.77

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Solution

The fourth proportional to 84,294.88, 126,427.03 and 36,900.77 is: 55,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294.88 : 126,427.03 = 36,900.77 : x
  2. Step 2: Convert to fraction form
    84,294.88/126,427.03 = 36,900.77/x
  3. Step 3: Cross multiply
    84,294.88x = 126,427.03 × 36,900.77
  4. Step 4: Simplify right side
    84,294.88x = 4,665,254,031.43
  5. Step 5: Solve for x
    x = 4,665,254,031.43/84,294.88
  6. Step 6: Final answer
    x = 55,344.45

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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.