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Finding the Fourth Proportional to 12,368.15, 17,068.01 and 6,702.89

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Solution

The fourth proportional to 12,368.15, 17,068.01 and 6,702.89 is: 9,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.15 : 17,068.01 = 6,702.89 : x
  2. Step 2: Convert to fraction form
    12,368.15/17,068.01 = 6,702.89/x
  3. Step 3: Cross multiply
    12,368.15x = 17,068.01 × 6,702.89
  4. Step 4: Simplify right side
    12,368.15x = 114,405,052.98
  5. Step 5: Solve for x
    x = 114,405,052.98/12,368.15
  6. Step 6: Final answer
    x = 9,249.97

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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.