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Finding the Fourth Proportional to 9,471.67, 13,070.16 and 5,222.07

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Solution

The fourth proportional to 9,471.67, 13,070.16 and 5,222.07 is: 7,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.67 : 13,070.16 = 5,222.07 : x
  2. Step 2: Convert to fraction form
    9,471.67/13,070.16 = 5,222.07/x
  3. Step 3: Cross multiply
    9,471.67x = 13,070.16 × 5,222.07
  4. Step 4: Simplify right side
    9,471.67x = 68,253,290.43
  5. Step 5: Solve for x
    x = 68,253,290.43/9,471.67
  6. Step 6: Final answer
    x = 7,206.05

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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.