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Finding the Fourth Proportional to 17,124.20, 25,658.70 and 9,706.60

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Solution

The fourth proportional to 17,124.20, 25,658.70 and 9,706.60 is: 14,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.20 : 25,658.70 = 9,706.60 : x
  2. Step 2: Convert to fraction form
    17,124.20/25,658.70 = 9,706.60/x
  3. Step 3: Cross multiply
    17,124.20x = 25,658.70 × 9,706.60
  4. Step 4: Simplify right side
    17,124.20x = 249,058,737.42
  5. Step 5: Solve for x
    x = 249,058,737.42/17,124.20
  6. Step 6: Final answer
    x = 14,544.26

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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.