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Finding the Fourth Proportional to 15,663.62, 23,493.04 and 5,134.74

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Solution

The fourth proportional to 15,663.62, 23,493.04 and 5,134.74 is: 7,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.62 : 23,493.04 = 5,134.74 : x
  2. Step 2: Convert to fraction form
    15,663.62/23,493.04 = 5,134.74/x
  3. Step 3: Cross multiply
    15,663.62x = 23,493.04 × 5,134.74
  4. Step 4: Simplify right side
    15,663.62x = 120,630,639.37
  5. Step 5: Solve for x
    x = 120,630,639.37/15,663.62
  6. Step 6: Final answer
    x = 7,701.33

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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.