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Finding the Fourth Proportional to 8,352.69, 12,515.03 and 4,652.79

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Solution

The fourth proportional to 8,352.69, 12,515.03 and 4,652.79 is: 6,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.69 : 12,515.03 = 4,652.79 : x
  2. Step 2: Convert to fraction form
    8,352.69/12,515.03 = 4,652.79/x
  3. Step 3: Cross multiply
    8,352.69x = 12,515.03 × 4,652.79
  4. Step 4: Simplify right side
    8,352.69x = 58,229,783.17
  5. Step 5: Solve for x
    x = 58,229,783.17/8,352.69
  6. Step 6: Final answer
    x = 6,971.38

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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.