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Finding the Fourth Proportional to 2,048.01, 3,069.60 and 877.67

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Solution

The fourth proportional to 2,048.01, 3,069.60 and 877.67 is: 1,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.01 : 3,069.60 = 877.67 : x
  2. Step 2: Convert to fraction form
    2,048.01/3,069.60 = 877.67/x
  3. Step 3: Cross multiply
    2,048.01x = 3,069.60 × 877.67
  4. Step 4: Simplify right side
    2,048.01x = 2,694,080.48
  5. Step 5: Solve for x
    x = 2,694,080.48/2,048.01
  6. Step 6: Final answer
    x = 1,315.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.