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Finding the Fourth Proportional to 48,339.81, 72,514.71 and 16,749.81

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Solution

The fourth proportional to 48,339.81, 72,514.71 and 16,749.81 is: 25,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339.81 : 72,514.71 = 16,749.81 : x
  2. Step 2: Convert to fraction form
    48,339.81/72,514.71 = 16,749.81/x
  3. Step 3: Cross multiply
    48,339.81x = 72,514.71 × 16,749.81
  4. Step 4: Simplify right side
    48,339.81x = 1,214,607,614.71
  5. Step 5: Solve for x
    x = 1,214,607,614.71/48,339.81
  6. Step 6: Final answer
    x = 25,126.45

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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.