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Finding the Fourth Proportional to 6,917.45, 9,543.22 and 4,400.93

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Solution

The fourth proportional to 6,917.45, 9,543.22 and 4,400.93 is: 6,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.45 : 9,543.22 = 4,400.93 : x
  2. Step 2: Convert to fraction form
    6,917.45/9,543.22 = 4,400.93/x
  3. Step 3: Cross multiply
    6,917.45x = 9,543.22 × 4,400.93
  4. Step 4: Simplify right side
    6,917.45x = 41,999,056.05
  5. Step 5: Solve for x
    x = 41,999,056.05/6,917.45
  6. Step 6: Final answer
    x = 6,071.47

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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.