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Finding the Fourth Proportional to 52,548.48, 72,516.48 and 30,192

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Solution

The fourth proportional to 52,548.48, 72,516.48 and 30,192 is: 41,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,548.48 : 72,516.48 = 30,192 : x
  2. Step 2: Convert to fraction form
    52,548.48/72,516.48 = 30,192/x
  3. Step 3: Cross multiply
    52,548.48x = 72,516.48 × 30,192
  4. Step 4: Simplify right side
    52,548.48x = 2,189,417,564.16
  5. Step 5: Solve for x
    x = 2,189,417,564.16/52,548.48
  6. Step 6: Final answer
    x = 41,664.72

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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.