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Finding the Fourth Proportional to 55,888, 77,079.36 and 33,516.16

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Solution

The fourth proportional to 55,888, 77,079.36 and 33,516.16 is: 46,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888 : 77,079.36 = 33,516.16 : x
  2. Step 2: Convert to fraction form
    55,888/77,079.36 = 33,516.16/x
  3. Step 3: Cross multiply
    55,888x = 77,079.36 × 33,516.16
  4. Step 4: Simplify right side
    55,888x = 2,583,404,162.46
  5. Step 5: Solve for x
    x = 2,583,404,162.46/55,888
  6. Step 6: Final answer
    x = 46,224.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.