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Finding the Fourth Proportional to 18,897.47, 26,079.58 and 10,832.46

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Solution

The fourth proportional to 18,897.47, 26,079.58 and 10,832.46 is: 14,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.47 : 26,079.58 = 10,832.46 : x
  2. Step 2: Convert to fraction form
    18,897.47/26,079.58 = 10,832.46/x
  3. Step 3: Cross multiply
    18,897.47x = 26,079.58 × 10,832.46
  4. Step 4: Simplify right side
    18,897.47x = 282,506,007.17
  5. Step 5: Solve for x
    x = 282,506,007.17/18,897.47
  6. Step 6: Final answer
    x = 14,949.41

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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.