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Finding the Fourth Proportional to 14,466.61, 19,965.41 and 8,801.76

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Solution

The fourth proportional to 14,466.61, 19,965.41 and 8,801.76 is: 12,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.61 : 19,965.41 = 8,801.76 : x
  2. Step 2: Convert to fraction form
    14,466.61/19,965.41 = 8,801.76/x
  3. Step 3: Cross multiply
    14,466.61x = 19,965.41 × 8,801.76
  4. Step 4: Simplify right side
    14,466.61x = 175,730,747.12
  5. Step 5: Solve for x
    x = 175,730,747.12/14,466.61
  6. Step 6: Final answer
    x = 12,147.33

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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.