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Finding the Fourth Proportional to 9,858.30, 14,770.74 and 5,954.50

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Solution

The fourth proportional to 9,858.30, 14,770.74 and 5,954.50 is: 8,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.30 : 14,770.74 = 5,954.50 : x
  2. Step 2: Convert to fraction form
    9,858.30/14,770.74 = 5,954.50/x
  3. Step 3: Cross multiply
    9,858.30x = 14,770.74 × 5,954.50
  4. Step 4: Simplify right side
    9,858.30x = 87,952,341.56
  5. Step 5: Solve for x
    x = 87,952,341.56/9,858.30
  6. Step 6: Final answer
    x = 8,921.66

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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.