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Finding the Fourth Proportional to 4,368.94, 6,549.99 and 2,978.83

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Solution

The fourth proportional to 4,368.94, 6,549.99 and 2,978.83 is: 4,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.94 : 6,549.99 = 2,978.83 : x
  2. Step 2: Convert to fraction form
    4,368.94/6,549.99 = 2,978.83/x
  3. Step 3: Cross multiply
    4,368.94x = 6,549.99 × 2,978.83
  4. Step 4: Simplify right side
    4,368.94x = 19,511,306.71
  5. Step 5: Solve for x
    x = 19,511,306.71/4,368.94
  6. Step 6: Final answer
    x = 4,465.91

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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.