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Finding the Fourth Proportional to 39,894.65, 59,823.59 and 11,804.66

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Solution

The fourth proportional to 39,894.65, 59,823.59 and 11,804.66 is: 17,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.65 : 59,823.59 = 11,804.66 : x
  2. Step 2: Convert to fraction form
    39,894.65/59,823.59 = 11,804.66/x
  3. Step 3: Cross multiply
    39,894.65x = 59,823.59 × 11,804.66
  4. Step 4: Simplify right side
    39,894.65x = 706,197,230.47
  5. Step 5: Solve for x
    x = 706,197,230.47/39,894.65
  6. Step 6: Final answer
    x = 17,701.55

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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.