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Finding the Fourth Proportional to 4,392.72, 6,064.08 and 2,823.48

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Solution

The fourth proportional to 4,392.72, 6,064.08 and 2,823.48 is: 3,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.72 : 6,064.08 = 2,823.48 : x
  2. Step 2: Convert to fraction form
    4,392.72/6,064.08 = 2,823.48/x
  3. Step 3: Cross multiply
    4,392.72x = 6,064.08 × 2,823.48
  4. Step 4: Simplify right side
    4,392.72x = 17,121,808.60
  5. Step 5: Solve for x
    x = 17,121,808.60/4,392.72
  6. Step 6: Final answer
    x = 3,897.77

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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.