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Finding the Fourth Proportional to 64,464.60, 96,567.30 and 36,730.20

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Solution

The fourth proportional to 64,464.60, 96,567.30 and 36,730.20 is: 55,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,464.60 : 96,567.30 = 36,730.20 : x
  2. Step 2: Convert to fraction form
    64,464.60/96,567.30 = 36,730.20/x
  3. Step 3: Cross multiply
    64,464.60x = 96,567.30 × 36,730.20
  4. Step 4: Simplify right side
    64,464.60x = 3,546,936,242.46
  5. Step 5: Solve for x
    x = 3,546,936,242.46/64,464.60
  6. Step 6: Final answer
    x = 55,021.46

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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.