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Finding the Fourth Proportional to 55,644.03, 83,368.44 and 46,343.88

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Solution

The fourth proportional to 55,644.03, 83,368.44 and 46,343.88 is: 69,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.03 : 83,368.44 = 46,343.88 : x
  2. Step 2: Convert to fraction form
    55,644.03/83,368.44 = 46,343.88/x
  3. Step 3: Cross multiply
    55,644.03x = 83,368.44 × 46,343.88
  4. Step 4: Simplify right side
    55,644.03x = 3,863,616,979.15
  5. Step 5: Solve for x
    x = 3,863,616,979.15/55,644.03
  6. Step 6: Final answer
    x = 69,434.53

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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.