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Finding the Fourth Proportional to 6,308.64, 8,706.52 and 4,712.52

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Solution

The fourth proportional to 6,308.64, 8,706.52 and 4,712.52 is: 6,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.64 : 8,706.52 = 4,712.52 : x
  2. Step 2: Convert to fraction form
    6,308.64/8,706.52 = 4,712.52/x
  3. Step 3: Cross multiply
    6,308.64x = 8,706.52 × 4,712.52
  4. Step 4: Simplify right side
    6,308.64x = 41,029,649.63
  5. Step 5: Solve for x
    x = 41,029,649.63/6,308.64
  6. Step 6: Final answer
    x = 6,503.72

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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.