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Finding the Fourth Proportional to 84,002.99, 126,029.10 and 24,840.20

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Solution

The fourth proportional to 84,002.99, 126,029.10 and 24,840.20 is: 37,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.99 : 126,029.10 = 24,840.20 : x
  2. Step 2: Convert to fraction form
    84,002.99/126,029.10 = 24,840.20/x
  3. Step 3: Cross multiply
    84,002.99x = 126,029.10 × 24,840.20
  4. Step 4: Simplify right side
    84,002.99x = 3,130,588,049.82
  5. Step 5: Solve for x
    x = 3,130,588,049.82/84,002.99
  6. Step 6: Final answer
    x = 37,267.58

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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.