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Finding the Fourth Proportional to 7,235.82, 9,984.96 and 4,048.57

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Solution

The fourth proportional to 7,235.82, 9,984.96 and 4,048.57 is: 5,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.82 : 9,984.96 = 4,048.57 : x
  2. Step 2: Convert to fraction form
    7,235.82/9,984.96 = 4,048.57/x
  3. Step 3: Cross multiply
    7,235.82x = 9,984.96 × 4,048.57
  4. Step 4: Simplify right side
    7,235.82x = 40,424,809.51
  5. Step 5: Solve for x
    x = 40,424,809.51/7,235.82
  6. Step 6: Final answer
    x = 5,586.76

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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.