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Finding the Fourth Proportional to 64,648.96, 96,956.16 and 17,904.48

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Solution

The fourth proportional to 64,648.96, 96,956.16 and 17,904.48 is: 26,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,648.96 : 96,956.16 = 17,904.48 : x
  2. Step 2: Convert to fraction form
    64,648.96/96,956.16 = 17,904.48/x
  3. Step 3: Cross multiply
    64,648.96x = 96,956.16 × 17,904.48
  4. Step 4: Simplify right side
    64,648.96x = 1,735,949,627.60
  5. Step 5: Solve for x
    x = 1,735,949,627.60/64,648.96
  6. Step 6: Final answer
    x = 26,851.93

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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.