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Finding the Fourth Proportional to 17,365.79, 23,970.24 and 11,078.16

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Solution

The fourth proportional to 17,365.79, 23,970.24 and 11,078.16 is: 15,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,365.79 : 23,970.24 = 11,078.16 : x
  2. Step 2: Convert to fraction form
    17,365.79/23,970.24 = 11,078.16/x
  3. Step 3: Cross multiply
    17,365.79x = 23,970.24 × 11,078.16
  4. Step 4: Simplify right side
    17,365.79x = 265,546,153.96
  5. Step 5: Solve for x
    x = 265,546,153.96/17,365.79
  6. Step 6: Final answer
    x = 15,291.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.