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Finding the Fourth Proportional to 64,143.88, 96,215.60 and 17,396.76

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Solution

The fourth proportional to 64,143.88, 96,215.60 and 17,396.76 is: 26,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.88 : 96,215.60 = 17,396.76 : x
  2. Step 2: Convert to fraction form
    64,143.88/96,215.60 = 17,396.76/x
  3. Step 3: Cross multiply
    64,143.88x = 96,215.60 × 17,396.76
  4. Step 4: Simplify right side
    64,143.88x = 1,673,839,701.46
  5. Step 5: Solve for x
    x = 1,673,839,701.46/64,143.88
  6. Step 6: Final answer
    x = 26,095.08

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1.5x scale

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.