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Finding the Fourth Proportional to 9,763.66, 14,625.95 and 4,491.45

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Solution

The fourth proportional to 9,763.66, 14,625.95 and 4,491.45 is: 6,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.66 : 14,625.95 = 4,491.45 : x
  2. Step 2: Convert to fraction form
    9,763.66/14,625.95 = 4,491.45/x
  3. Step 3: Cross multiply
    9,763.66x = 14,625.95 × 4,491.45
  4. Step 4: Simplify right side
    9,763.66x = 65,691,723.13
  5. Step 5: Solve for x
    x = 65,691,723.13/9,763.66
  6. Step 6: Final answer
    x = 6,728.19

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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.