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Finding the Fourth Proportional to 64,377.61, 96,547.97 and 19,403.32

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Solution

The fourth proportional to 64,377.61, 96,547.97 and 19,403.32 is: 29,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377.61 : 96,547.97 = 19,403.32 : x
  2. Step 2: Convert to fraction form
    64,377.61/96,547.97 = 19,403.32/x
  3. Step 3: Cross multiply
    64,377.61x = 96,547.97 × 19,403.32
  4. Step 4: Simplify right side
    64,377.61x = 1,873,351,060.24
  5. Step 5: Solve for x
    x = 1,873,351,060.24/64,377.61
  6. Step 6: Final answer
    x = 29,099.42

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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.