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Finding the Fourth Proportional to 27,068.77, 40,602.47 and 7,346.81

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Solution

The fourth proportional to 27,068.77, 40,602.47 and 7,346.81 is: 11,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.77 : 40,602.47 = 7,346.81 : x
  2. Step 2: Convert to fraction form
    27,068.77/40,602.47 = 7,346.81/x
  3. Step 3: Cross multiply
    27,068.77x = 40,602.47 × 7,346.81
  4. Step 4: Simplify right side
    27,068.77x = 298,298,583.20
  5. Step 5: Solve for x
    x = 298,298,583.20/27,068.77
  6. Step 6: Final answer
    x = 11,020.03

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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.