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Finding the Fourth Proportional to 10,636.52, 15,958.24 and 5,089.16

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Solution

The fourth proportional to 10,636.52, 15,958.24 and 5,089.16 is: 7,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.52 : 15,958.24 = 5,089.16 : x
  2. Step 2: Convert to fraction form
    10,636.52/15,958.24 = 5,089.16/x
  3. Step 3: Cross multiply
    10,636.52x = 15,958.24 × 5,089.16
  4. Step 4: Simplify right side
    10,636.52x = 81,214,036.68
  5. Step 5: Solve for x
    x = 81,214,036.68/10,636.52
  6. Step 6: Final answer
    x = 7,635.40

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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.