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Finding the Fourth Proportional to 8,597.92, 11,865.68 and 4,821.36

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Solution

The fourth proportional to 8,597.92, 11,865.68 and 4,821.36 is: 6,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.92 : 11,865.68 = 4,821.36 : x
  2. Step 2: Convert to fraction form
    8,597.92/11,865.68 = 4,821.36/x
  3. Step 3: Cross multiply
    8,597.92x = 11,865.68 × 4,821.36
  4. Step 4: Simplify right side
    8,597.92x = 57,208,714.92
  5. Step 5: Solve for x
    x = 57,208,714.92/8,597.92
  6. Step 6: Final answer
    x = 6,653.79

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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.