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Finding the Fourth Proportional to 17,152.79, 25,717.04 and 6,613.88

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Solution

The fourth proportional to 17,152.79, 25,717.04 and 6,613.88 is: 9,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.79 : 25,717.04 = 6,613.88 : x
  2. Step 2: Convert to fraction form
    17,152.79/25,717.04 = 6,613.88/x
  3. Step 3: Cross multiply
    17,152.79x = 25,717.04 × 6,613.88
  4. Step 4: Simplify right side
    17,152.79x = 170,089,383.45
  5. Step 5: Solve for x
    x = 170,089,383.45/17,152.79
  6. Step 6: Final answer
    x = 9,916.14

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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.