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Finding the Fourth Proportional to 12,328.62, 17,013.93 and 7,024.26

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Solution

The fourth proportional to 12,328.62, 17,013.93 and 7,024.26 is: 9,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.62 : 17,013.93 = 7,024.26 : x
  2. Step 2: Convert to fraction form
    12,328.62/17,013.93 = 7,024.26/x
  3. Step 3: Cross multiply
    12,328.62x = 17,013.93 × 7,024.26
  4. Step 4: Simplify right side
    12,328.62x = 119,510,267.94
  5. Step 5: Solve for x
    x = 119,510,267.94/12,328.62
  6. Step 6: Final answer
    x = 9,693.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.