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Finding the Fourth Proportional to 36,564.48, 50,458.48 and 20,432.12

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Solution

The fourth proportional to 36,564.48, 50,458.48 and 20,432.12 is: 28,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,564.48 : 50,458.48 = 20,432.12 : x
  2. Step 2: Convert to fraction form
    36,564.48/50,458.48 = 20,432.12/x
  3. Step 3: Cross multiply
    36,564.48x = 50,458.48 × 20,432.12
  4. Step 4: Simplify right side
    36,564.48x = 1,030,973,415.00
  5. Step 5: Solve for x
    x = 1,030,973,415.00/36,564.48
  6. Step 6: Final answer
    x = 28,196.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.