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Finding the Fourth Proportional to 13,374.10, 20,061.20 and 9,201.52

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Solution

The fourth proportional to 13,374.10, 20,061.20 and 9,201.52 is: 13,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.10 : 20,061.20 = 9,201.52 : x
  2. Step 2: Convert to fraction form
    13,374.10/20,061.20 = 9,201.52/x
  3. Step 3: Cross multiply
    13,374.10x = 20,061.20 × 9,201.52
  4. Step 4: Simplify right side
    13,374.10x = 184,593,533.02
  5. Step 5: Solve for x
    x = 184,593,533.02/13,374.10
  6. Step 6: Final answer
    x = 13,802.31

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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.