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Finding the Fourth Proportional to 7,854.33, 10,839.06 and 4,317.45

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Solution

The fourth proportional to 7,854.33, 10,839.06 and 4,317.45 is: 5,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.33 : 10,839.06 = 4,317.45 : x
  2. Step 2: Convert to fraction form
    7,854.33/10,839.06 = 4,317.45/x
  3. Step 3: Cross multiply
    7,854.33x = 10,839.06 × 4,317.45
  4. Step 4: Simplify right side
    7,854.33x = 46,797,099.60
  5. Step 5: Solve for x
    x = 46,797,099.60/7,854.33
  6. Step 6: Final answer
    x = 5,958.13

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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.