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Finding the Fourth Proportional to 4,855.55, 6,700.52 and 2,731.32

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Solution

The fourth proportional to 4,855.55, 6,700.52 and 2,731.32 is: 3,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.55 : 6,700.52 = 2,731.32 : x
  2. Step 2: Convert to fraction form
    4,855.55/6,700.52 = 2,731.32/x
  3. Step 3: Cross multiply
    4,855.55x = 6,700.52 × 2,731.32
  4. Step 4: Simplify right side
    4,855.55x = 18,301,271.11
  5. Step 5: Solve for x
    x = 18,301,271.11/4,855.55
  6. Step 6: Final answer
    x = 3,769.15

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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.