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Finding the Fourth Proportional to 17,048.69, 25,572.45 and 8,281.25

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Solution

The fourth proportional to 17,048.69, 25,572.45 and 8,281.25 is: 12,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,048.69 : 25,572.45 = 8,281.25 : x
  2. Step 2: Convert to fraction form
    17,048.69/25,572.45 = 8,281.25/x
  3. Step 3: Cross multiply
    17,048.69x = 25,572.45 × 8,281.25
  4. Step 4: Simplify right side
    17,048.69x = 211,771,851.56
  5. Step 5: Solve for x
    x = 211,771,851.56/17,048.69
  6. Step 6: Final answer
    x = 12,421.59

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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.