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Finding the Fourth Proportional to 36,756.71, 55,128.46 and 9,739.24

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Solution

The fourth proportional to 36,756.71, 55,128.46 and 9,739.24 is: 14,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.71 : 55,128.46 = 9,739.24 : x
  2. Step 2: Convert to fraction form
    36,756.71/55,128.46 = 9,739.24/x
  3. Step 3: Cross multiply
    36,756.71x = 55,128.46 × 9,739.24
  4. Step 4: Simplify right side
    36,756.71x = 536,909,140.60
  5. Step 5: Solve for x
    x = 536,909,140.60/36,756.71
  6. Step 6: Final answer
    x = 14,607.10

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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.