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Finding the Fourth Proportional to 23,389.80, 35,098.53 and 8,609.10

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Solution

The fourth proportional to 23,389.80, 35,098.53 and 8,609.10 is: 12,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.80 : 35,098.53 = 8,609.10 : x
  2. Step 2: Convert to fraction form
    23,389.80/35,098.53 = 8,609.10/x
  3. Step 3: Cross multiply
    23,389.80x = 35,098.53 × 8,609.10
  4. Step 4: Simplify right side
    23,389.80x = 302,166,754.62
  5. Step 5: Solve for x
    x = 302,166,754.62/23,389.80
  6. Step 6: Final answer
    x = 12,918.74

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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.