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Finding the Fourth Proportional to 34,083.76, 51,125.64 and 15,615.76

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Solution

The fourth proportional to 34,083.76, 51,125.64 and 15,615.76 is: 23,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,083.76 : 51,125.64 = 15,615.76 : x
  2. Step 2: Convert to fraction form
    34,083.76/51,125.64 = 15,615.76/x
  3. Step 3: Cross multiply
    34,083.76x = 51,125.64 × 15,615.76
  4. Step 4: Simplify right side
    34,083.76x = 798,365,724.09
  5. Step 5: Solve for x
    x = 798,365,724.09/34,083.76
  6. Step 6: Final answer
    x = 23,423.64

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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.