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Finding the Fourth Proportional to 4,578.95, 6,318.95 and 2,483.07

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Solution

The fourth proportional to 4,578.95, 6,318.95 and 2,483.07 is: 3,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.95 : 6,318.95 = 2,483.07 : x
  2. Step 2: Convert to fraction form
    4,578.95/6,318.95 = 2,483.07/x
  3. Step 3: Cross multiply
    4,578.95x = 6,318.95 × 2,483.07
  4. Step 4: Simplify right side
    4,578.95x = 15,690,382.76
  5. Step 5: Solve for x
    x = 15,690,382.76/4,578.95
  6. Step 6: Final answer
    x = 3,426.64

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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.