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Finding the Fourth Proportional to 6,254.88, 8,631 and 3,602.40

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Solution

The fourth proportional to 6,254.88, 8,631 and 3,602.40 is: 4,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.88 : 8,631 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    6,254.88/8,631 = 3,602.40/x
  3. Step 3: Cross multiply
    6,254.88x = 8,631 × 3,602.40
  4. Step 4: Simplify right side
    6,254.88x = 31,092,314.40
  5. Step 5: Solve for x
    x = 31,092,314.40/6,254.88
  6. Step 6: Final answer
    x = 4,970.89

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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.