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Finding the Fourth Proportional to 8,702.94, 13,053.94 and 3,080.22

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Solution

The fourth proportional to 8,702.94, 13,053.94 and 3,080.22 is: 4,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.94 : 13,053.94 = 3,080.22 : x
  2. Step 2: Convert to fraction form
    8,702.94/13,053.94 = 3,080.22/x
  3. Step 3: Cross multiply
    8,702.94x = 13,053.94 × 3,080.22
  4. Step 4: Simplify right side
    8,702.94x = 40,209,007.07
  5. Step 5: Solve for x
    x = 40,209,007.07/8,702.94
  6. Step 6: Final answer
    x = 4,620.16

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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.