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Finding the Fourth Proportional to 9,635.51, 14,441.43 and 5,479.00

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Solution

The fourth proportional to 9,635.51, 14,441.43 and 5,479.00 is: 8,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.51 : 14,441.43 = 5,479.00 : x
  2. Step 2: Convert to fraction form
    9,635.51/14,441.43 = 5,479.00/x
  3. Step 3: Cross multiply
    9,635.51x = 14,441.43 × 5,479.00
  4. Step 4: Simplify right side
    9,635.51x = 79,124,522.76
  5. Step 5: Solve for x
    x = 79,124,522.76/9,635.51
  6. Step 6: Final answer
    x = 8,211.76

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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.