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Finding the Fourth Proportional to 23,907.60, 32,991.60 and 13,297

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Solution

The fourth proportional to 23,907.60, 32,991.60 and 13,297 is: 18,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,907.60 : 32,991.60 = 13,297 : x
  2. Step 2: Convert to fraction form
    23,907.60/32,991.60 = 13,297/x
  3. Step 3: Cross multiply
    23,907.60x = 32,991.60 × 13,297
  4. Step 4: Simplify right side
    23,907.60x = 438,689,305.20
  5. Step 5: Solve for x
    x = 438,689,305.20/23,907.60
  6. Step 6: Final answer
    x = 18,349.37

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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.