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Finding the Fourth Proportional to 6,815.63, 9,405.98 and 4,543.04

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Solution

The fourth proportional to 6,815.63, 9,405.98 and 4,543.04 is: 6,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.63 : 9,405.98 = 4,543.04 : x
  2. Step 2: Convert to fraction form
    6,815.63/9,405.98 = 4,543.04/x
  3. Step 3: Cross multiply
    6,815.63x = 9,405.98 × 4,543.04
  4. Step 4: Simplify right side
    6,815.63x = 42,731,673.63
  5. Step 5: Solve for x
    x = 42,731,673.63/6,815.63
  6. Step 6: Final answer
    x = 6,269.66

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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.