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Finding the Fourth Proportional to 62,372, 86,075.18 and 34,079.51

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Solution

The fourth proportional to 62,372, 86,075.18 and 34,079.51 is: 47,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,372 : 86,075.18 = 34,079.51 : x
  2. Step 2: Convert to fraction form
    62,372/86,075.18 = 34,079.51/x
  3. Step 3: Cross multiply
    62,372x = 86,075.18 × 34,079.51
  4. Step 4: Simplify right side
    62,372x = 2,933,399,957.56
  5. Step 5: Solve for x
    x = 2,933,399,957.56/62,372
  6. Step 6: Final answer
    x = 47,030.72

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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.