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Finding the Fourth Proportional to 55,034.04, 75,918.02 and 34,855.32

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Solution

The fourth proportional to 55,034.04, 75,918.02 and 34,855.32 is: 48,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.04 : 75,918.02 = 34,855.32 : x
  2. Step 2: Convert to fraction form
    55,034.04/75,918.02 = 34,855.32/x
  3. Step 3: Cross multiply
    55,034.04x = 75,918.02 × 34,855.32
  4. Step 4: Simplify right side
    55,034.04x = 2,646,146,706.59
  5. Step 5: Solve for x
    x = 2,646,146,706.59/55,034.04
  6. Step 6: Final answer
    x = 48,082.00

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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.