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Finding the Fourth Proportional to 13,918.02, 20,877.01 and 4,684.02

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Solution

The fourth proportional to 13,918.02, 20,877.01 and 4,684.02 is: 7,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.02 : 20,877.01 = 4,684.02 : x
  2. Step 2: Convert to fraction form
    13,918.02/20,877.01 = 4,684.02/x
  3. Step 3: Cross multiply
    13,918.02x = 20,877.01 × 4,684.02
  4. Step 4: Simplify right side
    13,918.02x = 97,788,332.38
  5. Step 5: Solve for x
    x = 97,788,332.38/13,918.02
  6. Step 6: Final answer
    x = 7,026.02

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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.