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Finding the Fourth Proportional to 45,187.52, 67,764.54 and 15,597.32

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Solution

The fourth proportional to 45,187.52, 67,764.54 and 15,597.32 is: 23,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.52 : 67,764.54 = 15,597.32 : x
  2. Step 2: Convert to fraction form
    45,187.52/67,764.54 = 15,597.32/x
  3. Step 3: Cross multiply
    45,187.52x = 67,764.54 × 15,597.32
  4. Step 4: Simplify right side
    45,187.52x = 1,056,945,215.03
  5. Step 5: Solve for x
    x = 1,056,945,215.03/45,187.52
  6. Step 6: Final answer
    x = 23,390.20

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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.