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Finding the Fourth Proportional to 76,484.61, 114,560.55 and 36,958.50

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Solution

The fourth proportional to 76,484.61, 114,560.55 and 36,958.50 is: 55,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,484.61 : 114,560.55 = 36,958.50 : x
  2. Step 2: Convert to fraction form
    76,484.61/114,560.55 = 36,958.50/x
  3. Step 3: Cross multiply
    76,484.61x = 114,560.55 × 36,958.50
  4. Step 4: Simplify right side
    76,484.61x = 4,233,986,087.18
  5. Step 5: Solve for x
    x = 4,233,986,087.18/76,484.61
  6. Step 6: Final answer
    x = 55,357.36

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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.