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Finding the Fourth Proportional to 4,447.52, 6,630.74 and 4,333.91

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Solution

The fourth proportional to 4,447.52, 6,630.74 and 4,333.91 is: 6,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.52 : 6,630.74 = 4,333.91 : x
  2. Step 2: Convert to fraction form
    4,447.52/6,630.74 = 4,333.91/x
  3. Step 3: Cross multiply
    4,447.52x = 6,630.74 × 4,333.91
  4. Step 4: Simplify right side
    4,447.52x = 28,737,030.39
  5. Step 5: Solve for x
    x = 28,737,030.39/4,447.52
  6. Step 6: Final answer
    x = 6,461.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.