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Finding the Fourth Proportional to 51,773.70, 77,660.61 and 15,750.45

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Solution

The fourth proportional to 51,773.70, 77,660.61 and 15,750.45 is: 23,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,773.70 : 77,660.61 = 15,750.45 : x
  2. Step 2: Convert to fraction form
    51,773.70/77,660.61 = 15,750.45/x
  3. Step 3: Cross multiply
    51,773.70x = 77,660.61 × 15,750.45
  4. Step 4: Simplify right side
    51,773.70x = 1,223,189,554.77
  5. Step 5: Solve for x
    x = 1,223,189,554.77/51,773.70
  6. Step 6: Final answer
    x = 23,625.69

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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.