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Finding the Fourth Proportional to 15,677.52, 23,519.52 and 5,289.12

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Solution

The fourth proportional to 15,677.52, 23,519.52 and 5,289.12 is: 7,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.52 : 23,519.52 = 5,289.12 : x
  2. Step 2: Convert to fraction form
    15,677.52/23,519.52 = 5,289.12/x
  3. Step 3: Cross multiply
    15,677.52x = 23,519.52 × 5,289.12
  4. Step 4: Simplify right side
    15,677.52x = 124,397,563.62
  5. Step 5: Solve for x
    x = 124,397,563.62/15,677.52
  6. Step 6: Final answer
    x = 7,934.77

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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.