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Finding the Fourth Proportional to 4,685.73, 6,465.15 and 2,798.00

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Solution

The fourth proportional to 4,685.73, 6,465.15 and 2,798.00 is: 3,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.73 : 6,465.15 = 2,798.00 : x
  2. Step 2: Convert to fraction form
    4,685.73/6,465.15 = 2,798.00/x
  3. Step 3: Cross multiply
    4,685.73x = 6,465.15 × 2,798.00
  4. Step 4: Simplify right side
    4,685.73x = 18,089,457.37
  5. Step 5: Solve for x
    x = 18,089,457.37/4,685.73
  6. Step 6: Final answer
    x = 3,860.54

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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.