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Finding the Fourth Proportional to 34,713.43, 52,070.14 and 8,418.16

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Solution

The fourth proportional to 34,713.43, 52,070.14 and 8,418.16 is: 12,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.43 : 52,070.14 = 8,418.16 : x
  2. Step 2: Convert to fraction form
    34,713.43/52,070.14 = 8,418.16/x
  3. Step 3: Cross multiply
    34,713.43x = 52,070.14 × 8,418.16
  4. Step 4: Simplify right side
    34,713.43x = 438,334,845.35
  5. Step 5: Solve for x
    x = 438,334,845.35/34,713.43
  6. Step 6: Final answer
    x = 12,627.24

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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.