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Finding the Fourth Proportional to 4,938.22, 6,814.80 and 2,700.16

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Solution

The fourth proportional to 4,938.22, 6,814.80 and 2,700.16 is: 3,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.22 : 6,814.80 = 2,700.16 : x
  2. Step 2: Convert to fraction form
    4,938.22/6,814.80 = 2,700.16/x
  3. Step 3: Cross multiply
    4,938.22x = 6,814.80 × 2,700.16
  4. Step 4: Simplify right side
    4,938.22x = 18,401,050.37
  5. Step 5: Solve for x
    x = 18,401,050.37/4,938.22
  6. Step 6: Final answer
    x = 3,726.25

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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.