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Finding the Fourth Proportional to 51,015.84, 76,523.76 and 15,955.68

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Solution

The fourth proportional to 51,015.84, 76,523.76 and 15,955.68 is: 23,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.84 : 76,523.76 = 15,955.68 : x
  2. Step 2: Convert to fraction form
    51,015.84/76,523.76 = 15,955.68/x
  3. Step 3: Cross multiply
    51,015.84x = 76,523.76 × 15,955.68
  4. Step 4: Simplify right side
    51,015.84x = 1,220,988,626.96
  5. Step 5: Solve for x
    x = 1,220,988,626.96/51,015.84
  6. Step 6: Final answer
    x = 23,933.52

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Double scale
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Similar ratio
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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.