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Finding the Fourth Proportional to 12,597.76, 18,900.33 and 5,202.64

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Solution

The fourth proportional to 12,597.76, 18,900.33 and 5,202.64 is: 7,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.76 : 18,900.33 = 5,202.64 : x
  2. Step 2: Convert to fraction form
    12,597.76/18,900.33 = 5,202.64/x
  3. Step 3: Cross multiply
    12,597.76x = 18,900.33 × 5,202.64
  4. Step 4: Simplify right side
    12,597.76x = 98,331,612.87
  5. Step 5: Solve for x
    x = 98,331,612.87/12,597.76
  6. Step 6: Final answer
    x = 7,805.48

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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.