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Finding the Fourth Proportional to 4,970.88, 6,860.02 and 2,846.25

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Solution

The fourth proportional to 4,970.88, 6,860.02 and 2,846.25 is: 3,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.88 : 6,860.02 = 2,846.25 : x
  2. Step 2: Convert to fraction form
    4,970.88/6,860.02 = 2,846.25/x
  3. Step 3: Cross multiply
    4,970.88x = 6,860.02 × 2,846.25
  4. Step 4: Simplify right side
    4,970.88x = 19,525,331.93
  5. Step 5: Solve for x
    x = 19,525,331.93/4,970.88
  6. Step 6: Final answer
    x = 3,927.94

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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.