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Finding the Fourth Proportional to 6,303.71, 8,701.49 and 4,955.80

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Solution

The fourth proportional to 6,303.71, 8,701.49 and 4,955.80 is: 6,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.71 : 8,701.49 = 4,955.80 : x
  2. Step 2: Convert to fraction form
    6,303.71/8,701.49 = 4,955.80/x
  3. Step 3: Cross multiply
    6,303.71x = 8,701.49 × 4,955.80
  4. Step 4: Simplify right side
    6,303.71x = 43,122,816.19
  5. Step 5: Solve for x
    x = 43,122,816.19/6,303.71
  6. Step 6: Final answer
    x = 6,840.87

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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.