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Finding the Fourth Proportional to 8,840.28, 13,255.29 and 4,682.28

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Solution

The fourth proportional to 8,840.28, 13,255.29 and 4,682.28 is: 7,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.28 : 13,255.29 = 4,682.28 : x
  2. Step 2: Convert to fraction form
    8,840.28/13,255.29 = 4,682.28/x
  3. Step 3: Cross multiply
    8,840.28x = 13,255.29 × 4,682.28
  4. Step 4: Simplify right side
    8,840.28x = 62,064,979.26
  5. Step 5: Solve for x
    x = 62,064,979.26/8,840.28
  6. Step 6: Final answer
    x = 7,020.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.