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Finding the Fourth Proportional to 51,357.76, 76,931.52 and 35,523.52

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Solution

The fourth proportional to 51,357.76, 76,931.52 and 35,523.52 is: 53,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.76 : 76,931.52 = 35,523.52 : x
  2. Step 2: Convert to fraction form
    51,357.76/76,931.52 = 35,523.52/x
  3. Step 3: Cross multiply
    51,357.76x = 76,931.52 × 35,523.52
  4. Step 4: Simplify right side
    51,357.76x = 2,732,878,389.35
  5. Step 5: Solve for x
    x = 2,732,878,389.35/51,357.76
  6. Step 6: Final answer
    x = 53,212.57

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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.