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Finding the Fourth Proportional to 34,707.57, 52,060.89 and 8,412.54

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Solution

The fourth proportional to 34,707.57, 52,060.89 and 8,412.54 is: 12,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.57 : 52,060.89 = 8,412.54 : x
  2. Step 2: Convert to fraction form
    34,707.57/52,060.89 = 8,412.54/x
  3. Step 3: Cross multiply
    34,707.57x = 52,060.89 × 8,412.54
  4. Step 4: Simplify right side
    34,707.57x = 437,964,189.41
  5. Step 5: Solve for x
    x = 437,964,189.41/34,707.57
  6. Step 6: Final answer
    x = 12,618.69

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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.