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Finding the Fourth Proportional to 7,091.19, 9,788.04 and 4,852.22

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Solution

The fourth proportional to 7,091.19, 9,788.04 and 4,852.22 is: 6,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.19 : 9,788.04 = 4,852.22 : x
  2. Step 2: Convert to fraction form
    7,091.19/9,788.04 = 4,852.22/x
  3. Step 3: Cross multiply
    7,091.19x = 9,788.04 × 4,852.22
  4. Step 4: Simplify right side
    7,091.19x = 47,493,723.45
  5. Step 5: Solve for x
    x = 47,493,723.45/7,091.19
  6. Step 6: Final answer
    x = 6,697.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.