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Finding the Fourth Proportional to 3,602.63, 4,971.63 and 2,030.78

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Solution

The fourth proportional to 3,602.63, 4,971.63 and 2,030.78 is: 2,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.63 : 4,971.63 = 2,030.78 : x
  2. Step 2: Convert to fraction form
    3,602.63/4,971.63 = 2,030.78/x
  3. Step 3: Cross multiply
    3,602.63x = 4,971.63 × 2,030.78
  4. Step 4: Simplify right side
    3,602.63x = 10,096,286.77
  5. Step 5: Solve for x
    x = 10,096,286.77/3,602.63
  6. Step 6: Final answer
    x = 2,802.48

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Why These Related Problems?

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