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Finding the Fourth Proportional to 18,875.35, 26,009.61 and 14,600.45

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Solution

The fourth proportional to 18,875.35, 26,009.61 and 14,600.45 is: 20,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.35 : 26,009.61 = 14,600.45 : x
  2. Step 2: Convert to fraction form
    18,875.35/26,009.61 = 14,600.45/x
  3. Step 3: Cross multiply
    18,875.35x = 26,009.61 × 14,600.45
  4. Step 4: Simplify right side
    18,875.35x = 379,752,010.32
  5. Step 5: Solve for x
    x = 379,752,010.32/18,875.35
  6. Step 6: Final answer
    x = 20,118.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.