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Finding the Fourth Proportional to 6,393.50, 8,827.07 and 4,898.64

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Solution

The fourth proportional to 6,393.50, 8,827.07 and 4,898.64 is: 6,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.50 : 8,827.07 = 4,898.64 : x
  2. Step 2: Convert to fraction form
    6,393.50/8,827.07 = 4,898.64/x
  3. Step 3: Cross multiply
    6,393.50x = 8,827.07 × 4,898.64
  4. Step 4: Simplify right side
    6,393.50x = 43,240,638.18
  5. Step 5: Solve for x
    x = 43,240,638.18/6,393.50
  6. Step 6: Final answer
    x = 6,763.22

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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.