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Finding the Fourth Proportional to 6,263.88, 8,649.90 and 4,030.98

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Solution

The fourth proportional to 6,263.88, 8,649.90 and 4,030.98 is: 5,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.88 : 8,649.90 = 4,030.98 : x
  2. Step 2: Convert to fraction form
    6,263.88/8,649.90 = 4,030.98/x
  3. Step 3: Cross multiply
    6,263.88x = 8,649.90 × 4,030.98
  4. Step 4: Simplify right side
    6,263.88x = 34,867,573.90
  5. Step 5: Solve for x
    x = 34,867,573.90/6,263.88
  6. Step 6: Final answer
    x = 5,566.45

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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.