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Finding the Fourth Proportional to 48,864.65, 68,548.75 and 48,864.65

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Solution

The fourth proportional to 48,864.65, 68,548.75 and 48,864.65 is: 68,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.65 : 68,548.75 = 48,864.65 : x
  2. Step 2: Convert to fraction form
    48,864.65/68,548.75 = 48,864.65/x
  3. Step 3: Cross multiply
    48,864.65x = 68,548.75 × 48,864.65
  4. Step 4: Simplify right side
    48,864.65x = 3,349,610,676.69
  5. Step 5: Solve for x
    x = 3,349,610,676.69/48,864.65
  6. Step 6: Final answer
    x = 68,548.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.