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Finding the Fourth Proportional to 4,681.83, 7,023.79 and 1,760.16

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Solution

The fourth proportional to 4,681.83, 7,023.79 and 1,760.16 is: 2,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.83 : 7,023.79 = 1,760.16 : x
  2. Step 2: Convert to fraction form
    4,681.83/7,023.79 = 1,760.16/x
  3. Step 3: Cross multiply
    4,681.83x = 7,023.79 × 1,760.16
  4. Step 4: Simplify right side
    4,681.83x = 12,362,994.21
  5. Step 5: Solve for x
    x = 12,362,994.21/4,681.83
  6. Step 6: Final answer
    x = 2,640.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.