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Finding the Fourth Proportional to 8,609.63, 12,916.62 and 2,453.63

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Solution

The fourth proportional to 8,609.63, 12,916.62 and 2,453.63 is: 3,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.63 : 12,916.62 = 2,453.63 : x
  2. Step 2: Convert to fraction form
    8,609.63/12,916.62 = 2,453.63/x
  3. Step 3: Cross multiply
    8,609.63x = 12,916.62 × 2,453.63
  4. Step 4: Simplify right side
    8,609.63x = 31,692,541.75
  5. Step 5: Solve for x
    x = 31,692,541.75/8,609.63
  6. Step 6: Final answer
    x = 3,681.06

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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.