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Finding the Fourth Proportional to 64,454.65, 96,670.82 and 17,696.59

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Solution

The fourth proportional to 64,454.65, 96,670.82 and 17,696.59 is: 26,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,454.65 : 96,670.82 = 17,696.59 : x
  2. Step 2: Convert to fraction form
    64,454.65/96,670.82 = 17,696.59/x
  3. Step 3: Cross multiply
    64,454.65x = 96,670.82 × 17,696.59
  4. Step 4: Simplify right side
    64,454.65x = 1,710,743,778.02
  5. Step 5: Solve for x
    x = 1,710,743,778.02/64,454.65
  6. Step 6: Final answer
    x = 26,541.82

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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.