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Finding the Fourth Proportional to 11,801.40, 17,700.87 and 4,010.01

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Solution

The fourth proportional to 11,801.40, 17,700.87 and 4,010.01 is: 6,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.40 : 17,700.87 = 4,010.01 : x
  2. Step 2: Convert to fraction form
    11,801.40/17,700.87 = 4,010.01/x
  3. Step 3: Cross multiply
    11,801.40x = 17,700.87 × 4,010.01
  4. Step 4: Simplify right side
    11,801.40x = 70,980,665.71
  5. Step 5: Solve for x
    x = 70,980,665.71/11,801.40
  6. Step 6: Final answer
    x = 6,014.60

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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.