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Finding the Fourth Proportional to 76,602.52, 114,902.92 and 29,888.20

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Solution

The fourth proportional to 76,602.52, 114,902.92 and 29,888.20 is: 44,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,602.52 : 114,902.92 = 29,888.20 : x
  2. Step 2: Convert to fraction form
    76,602.52/114,902.92 = 29,888.20/x
  3. Step 3: Cross multiply
    76,602.52x = 114,902.92 × 29,888.20
  4. Step 4: Simplify right side
    76,602.52x = 3,434,241,453.54
  5. Step 5: Solve for x
    x = 3,434,241,453.54/76,602.52
  6. Step 6: Final answer
    x = 44,831.96

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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.