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Finding the Fourth Proportional to 59,992.51, 89,994.15 and 15,619.65

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Solution

The fourth proportional to 59,992.51, 89,994.15 and 15,619.65 is: 23,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,992.51 : 89,994.15 = 15,619.65 : x
  2. Step 2: Convert to fraction form
    59,992.51/89,994.15 = 15,619.65/x
  3. Step 3: Cross multiply
    59,992.51x = 89,994.15 × 15,619.65
  4. Step 4: Simplify right side
    59,992.51x = 1,405,676,707.23
  5. Step 5: Solve for x
    x = 1,405,676,707.23/59,992.51
  6. Step 6: Final answer
    x = 23,430.87

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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.