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Finding the Fourth Proportional to 7,041.22, 9,716.02 and 5,609.23

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Solution

The fourth proportional to 7,041.22, 9,716.02 and 5,609.23 is: 7,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.22 : 9,716.02 = 5,609.23 : x
  2. Step 2: Convert to fraction form
    7,041.22/9,716.02 = 5,609.23/x
  3. Step 3: Cross multiply
    7,041.22x = 9,716.02 × 5,609.23
  4. Step 4: Simplify right side
    7,041.22x = 54,499,342.28
  5. Step 5: Solve for x
    x = 54,499,342.28/7,041.22
  6. Step 6: Final answer
    x = 7,740.05

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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.