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Finding the Fourth Proportional to 6,482.03, 9,689.63 and 4,819.91

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Solution

The fourth proportional to 6,482.03, 9,689.63 and 4,819.91 is: 7,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.03 : 9,689.63 = 4,819.91 : x
  2. Step 2: Convert to fraction form
    6,482.03/9,689.63 = 4,819.91/x
  3. Step 3: Cross multiply
    6,482.03x = 9,689.63 × 4,819.91
  4. Step 4: Simplify right side
    6,482.03x = 46,703,071.99
  5. Step 5: Solve for x
    x = 46,703,071.99/6,482.03
  6. Step 6: Final answer
    x = 7,205.01

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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.