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Finding the Fourth Proportional to 8,702.22, 12,009.07 and 4,723.33

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Solution

The fourth proportional to 8,702.22, 12,009.07 and 4,723.33 is: 6,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.22 : 12,009.07 = 4,723.33 : x
  2. Step 2: Convert to fraction form
    8,702.22/12,009.07 = 4,723.33/x
  3. Step 3: Cross multiply
    8,702.22x = 12,009.07 × 4,723.33
  4. Step 4: Simplify right side
    8,702.22x = 56,722,830.37
  5. Step 5: Solve for x
    x = 56,722,830.37/8,702.22
  6. Step 6: Final answer
    x = 6,518.20

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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.