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Finding the Fourth Proportional to 15,365.56, 23,051.76 and 4,976.68

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Solution

The fourth proportional to 15,365.56, 23,051.76 and 4,976.68 is: 7,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.56 : 23,051.76 = 4,976.68 : x
  2. Step 2: Convert to fraction form
    15,365.56/23,051.76 = 4,976.68/x
  3. Step 3: Cross multiply
    15,365.56x = 23,051.76 × 4,976.68
  4. Step 4: Simplify right side
    15,365.56x = 114,721,232.96
  5. Step 5: Solve for x
    x = 114,721,232.96/15,365.56
  6. Step 6: Final answer
    x = 7,466.13

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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.