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Finding the Fourth Proportional to 64,330.68, 96,492.36 and 19,351.08

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Solution

The fourth proportional to 64,330.68, 96,492.36 and 19,351.08 is: 29,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,330.68 : 96,492.36 = 19,351.08 : x
  2. Step 2: Convert to fraction form
    64,330.68/96,492.36 = 19,351.08/x
  3. Step 3: Cross multiply
    64,330.68x = 96,492.36 × 19,351.08
  4. Step 4: Simplify right side
    64,330.68x = 1,867,231,377.75
  5. Step 5: Solve for x
    x = 1,867,231,377.75/64,330.68
  6. Step 6: Final answer
    x = 29,025.52

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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.