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Finding the Fourth Proportional to 76,007.34, 114,059.97 and 40,971.42

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Solution

The fourth proportional to 76,007.34, 114,059.97 and 40,971.42 is: 61,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.34 : 114,059.97 = 40,971.42 : x
  2. Step 2: Convert to fraction form
    76,007.34/114,059.97 = 40,971.42/x
  3. Step 3: Cross multiply
    76,007.34x = 114,059.97 × 40,971.42
  4. Step 4: Simplify right side
    76,007.34x = 4,673,198,936.06
  5. Step 5: Solve for x
    x = 4,673,198,936.06/76,007.34
  6. Step 6: Final answer
    x = 61,483.52

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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.