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Finding the Fourth Proportional to 34,809.70, 52,214.55 and 8,514.10

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Solution

The fourth proportional to 34,809.70, 52,214.55 and 8,514.10 is: 12,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.70 : 52,214.55 = 8,514.10 : x
  2. Step 2: Convert to fraction form
    34,809.70/52,214.55 = 8,514.10/x
  3. Step 3: Cross multiply
    34,809.70x = 52,214.55 × 8,514.10
  4. Step 4: Simplify right side
    34,809.70x = 444,559,900.16
  5. Step 5: Solve for x
    x = 444,559,900.16/34,809.70
  6. Step 6: Final answer
    x = 12,771.15

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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.