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Finding the Fourth Proportional to 15,758.43, 23,636.01 and 8,355.03

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Solution

The fourth proportional to 15,758.43, 23,636.01 and 8,355.03 is: 12,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.43 : 23,636.01 = 8,355.03 : x
  2. Step 2: Convert to fraction form
    15,758.43/23,636.01 = 8,355.03/x
  3. Step 3: Cross multiply
    15,758.43x = 23,636.01 × 8,355.03
  4. Step 4: Simplify right side
    15,758.43x = 197,479,572.63
  5. Step 5: Solve for x
    x = 197,479,572.63/15,758.43
  6. Step 6: Final answer
    x = 12,531.68

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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.