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Finding the Fourth Proportional to 13,361.14, 20,041.71 and 5,043.01

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Solution

The fourth proportional to 13,361.14, 20,041.71 and 5,043.01 is: 7,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.14 : 20,041.71 = 5,043.01 : x
  2. Step 2: Convert to fraction form
    13,361.14/20,041.71 = 5,043.01/x
  3. Step 3: Cross multiply
    13,361.14x = 20,041.71 × 5,043.01
  4. Step 4: Simplify right side
    13,361.14x = 101,070,543.95
  5. Step 5: Solve for x
    x = 101,070,543.95/13,361.14
  6. Step 6: Final answer
    x = 7,564.52

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1.5x scale

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.