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Finding the Fourth Proportional to 12,597.54, 18,899.04 and 4,164.39

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Solution

The fourth proportional to 12,597.54, 18,899.04 and 4,164.39 is: 6,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.54 : 18,899.04 = 4,164.39 : x
  2. Step 2: Convert to fraction form
    12,597.54/18,899.04 = 4,164.39/x
  3. Step 3: Cross multiply
    12,597.54x = 18,899.04 × 4,164.39
  4. Step 4: Simplify right side
    12,597.54x = 78,702,973.19
  5. Step 5: Solve for x
    x = 78,702,973.19/12,597.54
  6. Step 6: Final answer
    x = 6,247.49

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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.