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Finding the Fourth Proportional to 9,958.48, 14,940.96 and 4,764.76

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Solution

The fourth proportional to 9,958.48, 14,940.96 and 4,764.76 is: 7,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.48 : 14,940.96 = 4,764.76 : x
  2. Step 2: Convert to fraction form
    9,958.48/14,940.96 = 4,764.76/x
  3. Step 3: Cross multiply
    9,958.48x = 14,940.96 × 4,764.76
  4. Step 4: Simplify right side
    9,958.48x = 71,190,088.57
  5. Step 5: Solve for x
    x = 71,190,088.57/9,958.48
  6. Step 6: Final answer
    x = 7,148.69

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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.