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Finding the Fourth Proportional to 5,792.72, 8,646.68 and 4,976.24

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Solution

The fourth proportional to 5,792.72, 8,646.68 and 4,976.24 is: 7,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.72 : 8,646.68 = 4,976.24 : x
  2. Step 2: Convert to fraction form
    5,792.72/8,646.68 = 4,976.24/x
  3. Step 3: Cross multiply
    5,792.72x = 8,646.68 × 4,976.24
  4. Step 4: Simplify right side
    5,792.72x = 43,027,886.77
  5. Step 5: Solve for x
    x = 43,027,886.77/5,792.72
  6. Step 6: Final answer
    x = 7,427.93

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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.