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Finding the Fourth Proportional to 4,751.46, 6,555.47 and 2,762.64

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Solution

The fourth proportional to 4,751.46, 6,555.47 and 2,762.64 is: 3,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.46 : 6,555.47 = 2,762.64 : x
  2. Step 2: Convert to fraction form
    4,751.46/6,555.47 = 2,762.64/x
  3. Step 3: Cross multiply
    4,751.46x = 6,555.47 × 2,762.64
  4. Step 4: Simplify right side
    4,751.46x = 18,110,389.83
  5. Step 5: Solve for x
    x = 18,110,389.83/4,751.46
  6. Step 6: Final answer
    x = 3,811.54

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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.