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Finding the Fourth Proportional to 18,166.52, 25,071.40 and 10,210.68

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Solution

The fourth proportional to 18,166.52, 25,071.40 and 10,210.68 is: 14,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.52 : 25,071.40 = 10,210.68 : x
  2. Step 2: Convert to fraction form
    18,166.52/25,071.40 = 10,210.68/x
  3. Step 3: Cross multiply
    18,166.52x = 25,071.40 × 10,210.68
  4. Step 4: Simplify right side
    18,166.52x = 255,996,042.55
  5. Step 5: Solve for x
    x = 255,996,042.55/18,166.52
  6. Step 6: Final answer
    x = 14,091.64

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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.