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Finding the Fourth Proportional to 17,275.63, 25,918.71 and 8,961.60

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Solution

The fourth proportional to 17,275.63, 25,918.71 and 8,961.60 is: 13,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.63 : 25,918.71 = 8,961.60 : x
  2. Step 2: Convert to fraction form
    17,275.63/25,918.71 = 8,961.60/x
  3. Step 3: Cross multiply
    17,275.63x = 25,918.71 × 8,961.60
  4. Step 4: Simplify right side
    17,275.63x = 232,273,111.54
  5. Step 5: Solve for x
    x = 232,273,111.54/17,275.63
  6. Step 6: Final answer
    x = 13,445.13

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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.