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Finding the Fourth Proportional to 64,571.66, 96,857.35 and 17,186.76

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Solution

The fourth proportional to 64,571.66, 96,857.35 and 17,186.76 is: 25,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,571.66 : 96,857.35 = 17,186.76 : x
  2. Step 2: Convert to fraction form
    64,571.66/96,857.35 = 17,186.76/x
  3. Step 3: Cross multiply
    64,571.66x = 96,857.35 × 17,186.76
  4. Step 4: Simplify right side
    64,571.66x = 1,664,663,985.72
  5. Step 5: Solve for x
    x = 1,664,663,985.72/64,571.66
  6. Step 6: Final answer
    x = 25,780.10

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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.