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Finding the Fourth Proportional to 48,658.30, 72,855.51 and 25,235.53

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Solution

The fourth proportional to 48,658.30, 72,855.51 and 25,235.53 is: 37,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.30 : 72,855.51 = 25,235.53 : x
  2. Step 2: Convert to fraction form
    48,658.30/72,855.51 = 25,235.53/x
  3. Step 3: Cross multiply
    48,658.30x = 72,855.51 × 25,235.53
  4. Step 4: Simplify right side
    48,658.30x = 1,838,547,408.27
  5. Step 5: Solve for x
    x = 1,838,547,408.27/48,658.30
  6. Step 6: Final answer
    x = 37,784.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.