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Finding the Fourth Proportional to 6,281.85, 9,424.50 and 1,899.48

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Solution

The fourth proportional to 6,281.85, 9,424.50 and 1,899.48 is: 2,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.85 : 9,424.50 = 1,899.48 : x
  2. Step 2: Convert to fraction form
    6,281.85/9,424.50 = 1,899.48/x
  3. Step 3: Cross multiply
    6,281.85x = 9,424.50 × 1,899.48
  4. Step 4: Simplify right side
    6,281.85x = 17,901,649.26
  5. Step 5: Solve for x
    x = 17,901,649.26/6,281.85
  6. Step 6: Final answer
    x = 2,849.74

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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.