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Finding the Fourth Proportional to 7,065.24, 9,750.29 and 3,922.03

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Solution

The fourth proportional to 7,065.24, 9,750.29 and 3,922.03 is: 5,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.24 : 9,750.29 = 3,922.03 : x
  2. Step 2: Convert to fraction form
    7,065.24/9,750.29 = 3,922.03/x
  3. Step 3: Cross multiply
    7,065.24x = 9,750.29 × 3,922.03
  4. Step 4: Simplify right side
    7,065.24x = 38,240,929.89
  5. Step 5: Solve for x
    x = 38,240,929.89/7,065.24
  6. Step 6: Final answer
    x = 5,412.55

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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.