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Finding the Fourth Proportional to 64,009.68, 96,003.44 and 28,941.20

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Solution

The fourth proportional to 64,009.68, 96,003.44 and 28,941.20 is: 43,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.68 : 96,003.44 = 28,941.20 : x
  2. Step 2: Convert to fraction form
    64,009.68/96,003.44 = 28,941.20/x
  3. Step 3: Cross multiply
    64,009.68x = 96,003.44 × 28,941.20
  4. Step 4: Simplify right side
    64,009.68x = 2,778,454,757.73
  5. Step 5: Solve for x
    x = 2,778,454,757.73/64,009.68
  6. Step 6: Final answer
    x = 43,406.79

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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.