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Finding the Fourth Proportional to 19,752.48, 29,629.29 and 8,653.44

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Solution

The fourth proportional to 19,752.48, 29,629.29 and 8,653.44 is: 12,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.48 : 29,629.29 = 8,653.44 : x
  2. Step 2: Convert to fraction form
    19,752.48/29,629.29 = 8,653.44/x
  3. Step 3: Cross multiply
    19,752.48x = 29,629.29 × 8,653.44
  4. Step 4: Simplify right side
    19,752.48x = 256,395,283.26
  5. Step 5: Solve for x
    x = 256,395,283.26/19,752.48
  6. Step 6: Final answer
    x = 12,980.41

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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.