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Finding the Fourth Proportional to 64,029.60, 96,038.64 and 22,474.08

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Solution

The fourth proportional to 64,029.60, 96,038.64 and 22,474.08 is: 33,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.60 : 96,038.64 = 22,474.08 : x
  2. Step 2: Convert to fraction form
    64,029.60/96,038.64 = 22,474.08/x
  3. Step 3: Cross multiply
    64,029.60x = 96,038.64 × 22,474.08
  4. Step 4: Simplify right side
    64,029.60x = 2,158,380,078.45
  5. Step 5: Solve for x
    x = 2,158,380,078.45/64,029.60
  6. Step 6: Final answer
    x = 33,709.10

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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.