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Finding the Fourth Proportional to 36,751.60, 55,094.05 and 13,361.50

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Solution

The fourth proportional to 36,751.60, 55,094.05 and 13,361.50 is: 20,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.60 : 55,094.05 = 13,361.50 : x
  2. Step 2: Convert to fraction form
    36,751.60/55,094.05 = 13,361.50/x
  3. Step 3: Cross multiply
    36,751.60x = 55,094.05 × 13,361.50
  4. Step 4: Simplify right side
    36,751.60x = 736,139,149.08
  5. Step 5: Solve for x
    x = 736,139,149.08/36,751.60
  6. Step 6: Final answer
    x = 20,030.13

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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.