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Finding the Fourth Proportional to 8,257.01, 11,392.92 and 4,899.35

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Solution

The fourth proportional to 8,257.01, 11,392.92 and 4,899.35 is: 6,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.01 : 11,392.92 = 4,899.35 : x
  2. Step 2: Convert to fraction form
    8,257.01/11,392.92 = 4,899.35/x
  3. Step 3: Cross multiply
    8,257.01x = 11,392.92 × 4,899.35
  4. Step 4: Simplify right side
    8,257.01x = 55,817,931.08
  5. Step 5: Solve for x
    x = 55,817,931.08/8,257.01
  6. Step 6: Final answer
    x = 6,760.07

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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.