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Finding the Fourth Proportional to 6,041.20, 8,314.20 and 4,985.20

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Solution

The fourth proportional to 6,041.20, 8,314.20 and 4,985.20 is: 6,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,041.20 : 8,314.20 = 4,985.20 : x
  2. Step 2: Convert to fraction form
    6,041.20/8,314.20 = 4,985.20/x
  3. Step 3: Cross multiply
    6,041.20x = 8,314.20 × 4,985.20
  4. Step 4: Simplify right side
    6,041.20x = 41,447,949.84
  5. Step 5: Solve for x
    x = 41,447,949.84/6,041.20
  6. Step 6: Final answer
    x = 6,860.88

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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.