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Finding the Fourth Proportional to 13,466.61, 20,204.04 and 6,897.45

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Solution

The fourth proportional to 13,466.61, 20,204.04 and 6,897.45 is: 10,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.61 : 20,204.04 = 6,897.45 : x
  2. Step 2: Convert to fraction form
    13,466.61/20,204.04 = 6,897.45/x
  3. Step 3: Cross multiply
    13,466.61x = 20,204.04 × 6,897.45
  4. Step 4: Simplify right side
    13,466.61x = 139,356,355.70
  5. Step 5: Solve for x
    x = 139,356,355.70/13,466.61
  6. Step 6: Final answer
    x = 10,348.29

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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.