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Finding the Fourth Proportional to 76,651.92, 114,948 and 23,332.32

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Solution

The fourth proportional to 76,651.92, 114,948 and 23,332.32 is: 34,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,651.92 : 114,948 = 23,332.32 : x
  2. Step 2: Convert to fraction form
    76,651.92/114,948 = 23,332.32/x
  3. Step 3: Cross multiply
    76,651.92x = 114,948 × 23,332.32
  4. Step 4: Simplify right side
    76,651.92x = 2,682,003,519.36
  5. Step 5: Solve for x
    x = 2,682,003,519.36/76,651.92
  6. Step 6: Final answer
    x = 34,989.38

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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.