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Finding the Fourth Proportional to 52,703.53, 72,732.67 and 30,045.87

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Solution

The fourth proportional to 52,703.53, 72,732.67 and 30,045.87 is: 41,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.53 : 72,732.67 = 30,045.87 : x
  2. Step 2: Convert to fraction form
    52,703.53/72,732.67 = 30,045.87/x
  3. Step 3: Cross multiply
    52,703.53x = 72,732.67 × 30,045.87
  4. Step 4: Simplify right side
    52,703.53x = 2,185,316,272.46
  5. Step 5: Solve for x
    x = 2,185,316,272.46/52,703.53
  6. Step 6: Final answer
    x = 41,464.33

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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.