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Finding the Fourth Proportional to 34,713.48, 52,070.08 and 8,418.12

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Solution

The fourth proportional to 34,713.48, 52,070.08 and 8,418.12 is: 12,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.48 : 52,070.08 = 8,418.12 : x
  2. Step 2: Convert to fraction form
    34,713.48/52,070.08 = 8,418.12/x
  3. Step 3: Cross multiply
    34,713.48x = 52,070.08 × 8,418.12
  4. Step 4: Simplify right side
    34,713.48x = 438,332,181.85
  5. Step 5: Solve for x
    x = 438,332,181.85/34,713.48
  6. Step 6: Final answer
    x = 12,627.15

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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.