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Finding the Fourth Proportional to 23,698.60, 35,564.10 and 13,168.60

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Solution

The fourth proportional to 23,698.60, 35,564.10 and 13,168.60 is: 19,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,698.60 : 35,564.10 = 13,168.60 : x
  2. Step 2: Convert to fraction form
    23,698.60/35,564.10 = 13,168.60/x
  3. Step 3: Cross multiply
    23,698.60x = 35,564.10 × 13,168.60
  4. Step 4: Simplify right side
    23,698.60x = 468,329,407.26
  5. Step 5: Solve for x
    x = 468,329,407.26/23,698.60
  6. Step 6: Final answer
    x = 19,761.90

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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.