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Finding the Fourth Proportional to 17,106.80, 25,613.88 and 8,881.52

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Solution

The fourth proportional to 17,106.80, 25,613.88 and 8,881.52 is: 13,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.80 : 25,613.88 = 8,881.52 : x
  2. Step 2: Convert to fraction form
    17,106.80/25,613.88 = 8,881.52/x
  3. Step 3: Cross multiply
    17,106.80x = 25,613.88 × 8,881.52
  4. Step 4: Simplify right side
    17,106.80x = 227,490,187.50
  5. Step 5: Solve for x
    x = 227,490,187.50/17,106.80
  6. Step 6: Final answer
    x = 13,298.23

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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.