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Finding the Fourth Proportional to 7,970.59, 11,955.42 and 3,040.73

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Solution

The fourth proportional to 7,970.59, 11,955.42 and 3,040.73 is: 4,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.59 : 11,955.42 = 3,040.73 : x
  2. Step 2: Convert to fraction form
    7,970.59/11,955.42 = 3,040.73/x
  3. Step 3: Cross multiply
    7,970.59x = 11,955.42 × 3,040.73
  4. Step 4: Simplify right side
    7,970.59x = 36,353,144.48
  5. Step 5: Solve for x
    x = 36,353,144.48/7,970.59
  6. Step 6: Final answer
    x = 4,560.91

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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.