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Finding the Fourth Proportional to 2,703.02, 4,054.65 and 854.18

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Solution

The fourth proportional to 2,703.02, 4,054.65 and 854.18 is: 1,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.02 : 4,054.65 = 854.18 : x
  2. Step 2: Convert to fraction form
    2,703.02/4,054.65 = 854.18/x
  3. Step 3: Cross multiply
    2,703.02x = 4,054.65 × 854.18
  4. Step 4: Simplify right side
    2,703.02x = 3,463,376.39
  5. Step 5: Solve for x
    x = 3,463,376.39/2,703.02
  6. Step 6: Final answer
    x = 1,281.30

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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.