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Finding the Fourth Proportional to 9,883.68, 14,830.39 and 4,619.05

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Solution

The fourth proportional to 9,883.68, 14,830.39 and 4,619.05 is: 6,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.68 : 14,830.39 = 4,619.05 : x
  2. Step 2: Convert to fraction form
    9,883.68/14,830.39 = 4,619.05/x
  3. Step 3: Cross multiply
    9,883.68x = 14,830.39 × 4,619.05
  4. Step 4: Simplify right side
    9,883.68x = 68,502,312.93
  5. Step 5: Solve for x
    x = 68,502,312.93/9,883.68
  6. Step 6: Final answer
    x = 6,930.85

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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.