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Finding the Fourth Proportional to 14,307.77, 21,433.98 and 8,048.77

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Solution

The fourth proportional to 14,307.77, 21,433.98 and 8,048.77 is: 12,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.77 : 21,433.98 = 8,048.77 : x
  2. Step 2: Convert to fraction form
    14,307.77/21,433.98 = 8,048.77/x
  3. Step 3: Cross multiply
    14,307.77x = 21,433.98 × 8,048.77
  4. Step 4: Simplify right side
    14,307.77x = 172,517,175.20
  5. Step 5: Solve for x
    x = 172,517,175.20/14,307.77
  6. Step 6: Final answer
    x = 12,057.59

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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.