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Finding the Fourth Proportional to 34,698.11, 52,047.30 and 8,402.88

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Solution

The fourth proportional to 34,698.11, 52,047.30 and 8,402.88 is: 12,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,698.11 : 52,047.30 = 8,402.88 : x
  2. Step 2: Convert to fraction form
    34,698.11/52,047.30 = 8,402.88/x
  3. Step 3: Cross multiply
    34,698.11x = 52,047.30 × 8,402.88
  4. Step 4: Simplify right side
    34,698.11x = 437,347,216.22
  5. Step 5: Solve for x
    x = 437,347,216.22/34,698.11
  6. Step 6: Final answer
    x = 12,604.35

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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.