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Finding the Fourth Proportional to 4,815.06, 7,207.46 and 4,702.74

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Solution

The fourth proportional to 4,815.06, 7,207.46 and 4,702.74 is: 7,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.06 : 7,207.46 = 4,702.74 : x
  2. Step 2: Convert to fraction form
    4,815.06/7,207.46 = 4,702.74/x
  3. Step 3: Cross multiply
    4,815.06x = 7,207.46 × 4,702.74
  4. Step 4: Simplify right side
    4,815.06x = 33,894,810.44
  5. Step 5: Solve for x
    x = 33,894,810.44/4,815.06
  6. Step 6: Final answer
    x = 7,039.33

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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.