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Finding the Fourth Proportional to 7,798.84, 11,700.54 and 2,608.36

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Solution

The fourth proportional to 7,798.84, 11,700.54 and 2,608.36 is: 3,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.84 : 11,700.54 = 2,608.36 : x
  2. Step 2: Convert to fraction form
    7,798.84/11,700.54 = 2,608.36/x
  3. Step 3: Cross multiply
    7,798.84x = 11,700.54 × 2,608.36
  4. Step 4: Simplify right side
    7,798.84x = 30,519,220.51
  5. Step 5: Solve for x
    x = 30,519,220.51/7,798.84
  6. Step 6: Final answer
    x = 3,913.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.