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Finding the Fourth Proportional to 48,514.60, 72,742.02 and 18,897.94

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Solution

The fourth proportional to 48,514.60, 72,742.02 and 18,897.94 is: 28,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,514.60 : 72,742.02 = 18,897.94 : x
  2. Step 2: Convert to fraction form
    48,514.60/72,742.02 = 18,897.94/x
  3. Step 3: Cross multiply
    48,514.60x = 72,742.02 × 18,897.94
  4. Step 4: Simplify right side
    48,514.60x = 1,374,674,329.44
  5. Step 5: Solve for x
    x = 1,374,674,329.44/48,514.60
  6. Step 6: Final answer
    x = 28,335.27

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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.