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Finding the Fourth Proportional to 64,404.64, 96,602.28 and 17,653.84

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Solution

The fourth proportional to 64,404.64, 96,602.28 and 17,653.84 is: 26,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.64 : 96,602.28 = 17,653.84 : x
  2. Step 2: Convert to fraction form
    64,404.64/96,602.28 = 17,653.84/x
  3. Step 3: Cross multiply
    64,404.64x = 96,602.28 × 17,653.84
  4. Step 4: Simplify right side
    64,404.64x = 1,705,401,194.76
  5. Step 5: Solve for x
    x = 1,705,401,194.76/64,404.64
  6. Step 6: Final answer
    x = 26,479.48

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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.