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Finding the Fourth Proportional to 14,342.52, 19,784.08 and 9,028.08

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Solution

The fourth proportional to 14,342.52, 19,784.08 and 9,028.08 is: 12,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.52 : 19,784.08 = 9,028.08 : x
  2. Step 2: Convert to fraction form
    14,342.52/19,784.08 = 9,028.08/x
  3. Step 3: Cross multiply
    14,342.52x = 19,784.08 × 9,028.08
  4. Step 4: Simplify right side
    14,342.52x = 178,612,256.97
  5. Step 5: Solve for x
    x = 178,612,256.97/14,342.52
  6. Step 6: Final answer
    x = 12,453.34

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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.