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Finding the Fourth Proportional to 4,888.70, 7,333.06 and 1,190.93

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Solution

The fourth proportional to 4,888.70, 7,333.06 and 1,190.93 is: 1,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.70 : 7,333.06 = 1,190.93 : x
  2. Step 2: Convert to fraction form
    4,888.70/7,333.06 = 1,190.93/x
  3. Step 3: Cross multiply
    4,888.70x = 7,333.06 × 1,190.93
  4. Step 4: Simplify right side
    4,888.70x = 8,733,161.15
  5. Step 5: Solve for x
    x = 8,733,161.15/4,888.70
  6. Step 6: Final answer
    x = 1,786.40

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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.