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Finding the Fourth Proportional to 13,801.32, 20,703.60 and 6,015.60

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Solution

The fourth proportional to 13,801.32, 20,703.60 and 6,015.60 is: 9,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.32 : 20,703.60 = 6,015.60 : x
  2. Step 2: Convert to fraction form
    13,801.32/20,703.60 = 6,015.60/x
  3. Step 3: Cross multiply
    13,801.32x = 20,703.60 × 6,015.60
  4. Step 4: Simplify right side
    13,801.32x = 124,544,576.16
  5. Step 5: Solve for x
    x = 124,544,576.16/13,801.32
  6. Step 6: Final answer
    x = 9,024.11

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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.