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Finding the Fourth Proportional to 4,860.06, 6,698.22 and 3,918.84

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Solution

The fourth proportional to 4,860.06, 6,698.22 and 3,918.84 is: 5,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.06 : 6,698.22 = 3,918.84 : x
  2. Step 2: Convert to fraction form
    4,860.06/6,698.22 = 3,918.84/x
  3. Step 3: Cross multiply
    4,860.06x = 6,698.22 × 3,918.84
  4. Step 4: Simplify right side
    4,860.06x = 26,249,252.46
  5. Step 5: Solve for x
    x = 26,249,252.46/4,860.06
  6. Step 6: Final answer
    x = 5,401.01

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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.