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Finding the Fourth Proportional to 34,913.23, 52,369.13 and 8,618.20

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Solution

The fourth proportional to 34,913.23, 52,369.13 and 8,618.20 is: 12,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,913.23 : 52,369.13 = 8,618.20 : x
  2. Step 2: Convert to fraction form
    34,913.23/52,369.13 = 8,618.20/x
  3. Step 3: Cross multiply
    34,913.23x = 52,369.13 × 8,618.20
  4. Step 4: Simplify right side
    34,913.23x = 451,327,526.79
  5. Step 5: Solve for x
    x = 451,327,526.79/34,913.23
  6. Step 6: Final answer
    x = 12,927.12

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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.