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Finding the Fourth Proportional to 8,863.72, 13,303.74 and 4,484.26

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Solution

The fourth proportional to 8,863.72, 13,303.74 and 4,484.26 is: 6,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.72 : 13,303.74 = 4,484.26 : x
  2. Step 2: Convert to fraction form
    8,863.72/13,303.74 = 4,484.26/x
  3. Step 3: Cross multiply
    8,863.72x = 13,303.74 × 4,484.26
  4. Step 4: Simplify right side
    8,863.72x = 59,657,429.13
  5. Step 5: Solve for x
    x = 59,657,429.13/8,863.72
  6. Step 6: Final answer
    x = 6,730.52

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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.