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Finding the Fourth Proportional to 15,150.32, 22,709.52 and 5,784.32

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Solution

The fourth proportional to 15,150.32, 22,709.52 and 5,784.32 is: 8,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.32 : 22,709.52 = 5,784.32 : x
  2. Step 2: Convert to fraction form
    15,150.32/22,709.52 = 5,784.32/x
  3. Step 3: Cross multiply
    15,150.32x = 22,709.52 × 5,784.32
  4. Step 4: Simplify right side
    15,150.32x = 131,359,130.73
  5. Step 5: Solve for x
    x = 131,359,130.73/15,150.32
  6. Step 6: Final answer
    x = 8,670.39

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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.