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Finding the Fourth Proportional to 4,368.64, 6,028.64 and 2,379.12

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Solution

The fourth proportional to 4,368.64, 6,028.64 and 2,379.12 is: 3,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.64 : 6,028.64 = 2,379.12 : x
  2. Step 2: Convert to fraction form
    4,368.64/6,028.64 = 2,379.12/x
  3. Step 3: Cross multiply
    4,368.64x = 6,028.64 × 2,379.12
  4. Step 4: Simplify right side
    4,368.64x = 14,342,858.00
  5. Step 5: Solve for x
    x = 14,342,858.00/4,368.64
  6. Step 6: Final answer
    x = 3,283.14

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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.