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Finding the Fourth Proportional to 6,762.48, 9,332.05 and 3,778.34

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Solution

The fourth proportional to 6,762.48, 9,332.05 and 3,778.34 is: 5,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.48 : 9,332.05 = 3,778.34 : x
  2. Step 2: Convert to fraction form
    6,762.48/9,332.05 = 3,778.34/x
  3. Step 3: Cross multiply
    6,762.48x = 9,332.05 × 3,778.34
  4. Step 4: Simplify right side
    6,762.48x = 35,259,619.40
  5. Step 5: Solve for x
    x = 35,259,619.40/6,762.48
  6. Step 6: Final answer
    x = 5,214.01

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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.