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Finding the Fourth Proportional to 9,169.61, 12,659.88 and 6,303.03

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Solution

The fourth proportional to 9,169.61, 12,659.88 and 6,303.03 is: 8,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.61 : 12,659.88 = 6,303.03 : x
  2. Step 2: Convert to fraction form
    9,169.61/12,659.88 = 6,303.03/x
  3. Step 3: Cross multiply
    9,169.61x = 12,659.88 × 6,303.03
  4. Step 4: Simplify right side
    9,169.61x = 79,795,603.44
  5. Step 5: Solve for x
    x = 79,795,603.44/9,169.61
  6. Step 6: Final answer
    x = 8,702.19

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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.