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Finding the Fourth Proportional to 7,673.37, 10,580.94 and 6,669.78

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Solution

The fourth proportional to 7,673.37, 10,580.94 and 6,669.78 is: 9,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.37 : 10,580.94 = 6,669.78 : x
  2. Step 2: Convert to fraction form
    7,673.37/10,580.94 = 6,669.78/x
  3. Step 3: Cross multiply
    7,673.37x = 10,580.94 × 6,669.78
  4. Step 4: Simplify right side
    7,673.37x = 70,572,541.99
  5. Step 5: Solve for x
    x = 70,572,541.99/7,673.37
  6. Step 6: Final answer
    x = 9,197.07

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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.