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Finding the Fourth Proportional to 15,365.64, 23,059.92 and 11,425.92

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Solution

The fourth proportional to 15,365.64, 23,059.92 and 11,425.92 is: 17,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.64 : 23,059.92 = 11,425.92 : x
  2. Step 2: Convert to fraction form
    15,365.64/23,059.92 = 11,425.92/x
  3. Step 3: Cross multiply
    15,365.64x = 23,059.92 × 11,425.92
  4. Step 4: Simplify right side
    15,365.64x = 263,480,801.13
  5. Step 5: Solve for x
    x = 263,480,801.13/15,365.64
  6. Step 6: Final answer
    x = 17,147.40

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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.