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Finding the Fourth Proportional to 7,040.80, 10,609.63 and 5,835.34

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Solution

The fourth proportional to 7,040.80, 10,609.63 and 5,835.34 is: 8,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.80 : 10,609.63 = 5,835.34 : x
  2. Step 2: Convert to fraction form
    7,040.80/10,609.63 = 5,835.34/x
  3. Step 3: Cross multiply
    7,040.80x = 10,609.63 × 5,835.34
  4. Step 4: Simplify right side
    7,040.80x = 61,910,798.32
  5. Step 5: Solve for x
    x = 61,910,798.32/7,040.80
  6. Step 6: Final answer
    x = 8,793.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.