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Finding the Fourth Proportional to 6,486.59, 8,943.30 and 4,244.91

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Solution

The fourth proportional to 6,486.59, 8,943.30 and 4,244.91 is: 5,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.59 : 8,943.30 = 4,244.91 : x
  2. Step 2: Convert to fraction form
    6,486.59/8,943.30 = 4,244.91/x
  3. Step 3: Cross multiply
    6,486.59x = 8,943.30 × 4,244.91
  4. Step 4: Simplify right side
    6,486.59x = 37,963,503.60
  5. Step 5: Solve for x
    x = 37,963,503.60/6,486.59
  6. Step 6: Final answer
    x = 5,852.62

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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.