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Finding the Fourth Proportional to 67,019.87, 92,583.51 and 53,573.47

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Solution

The fourth proportional to 67,019.87, 92,583.51 and 53,573.47 is: 74,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.87 : 92,583.51 = 53,573.47 : x
  2. Step 2: Convert to fraction form
    67,019.87/92,583.51 = 53,573.47/x
  3. Step 3: Cross multiply
    67,019.87x = 92,583.51 × 53,573.47
  4. Step 4: Simplify right side
    67,019.87x = 4,960,019,463.12
  5. Step 5: Solve for x
    x = 4,960,019,463.12/67,019.87
  6. Step 6: Final answer
    x = 74,008.19

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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.