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Finding the Fourth Proportional to 8,248, 12,368.76 and 3,050.32

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Solution

The fourth proportional to 8,248, 12,368.76 and 3,050.32 is: 4,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248 : 12,368.76 = 3,050.32 : x
  2. Step 2: Convert to fraction form
    8,248/12,368.76 = 3,050.32/x
  3. Step 3: Cross multiply
    8,248x = 12,368.76 × 3,050.32
  4. Step 4: Simplify right side
    8,248x = 37,728,676.00
  5. Step 5: Solve for x
    x = 37,728,676.00/8,248
  6. Step 6: Final answer
    x = 4,574.28

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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.