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Finding the Fourth Proportional to 6,865.58, 9,476.82 and 4,881.89

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Solution

The fourth proportional to 6,865.58, 9,476.82 and 4,881.89 is: 6,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.58 : 9,476.82 = 4,881.89 : x
  2. Step 2: Convert to fraction form
    6,865.58/9,476.82 = 4,881.89/x
  3. Step 3: Cross multiply
    6,865.58x = 9,476.82 × 4,881.89
  4. Step 4: Simplify right side
    6,865.58x = 46,264,816.48
  5. Step 5: Solve for x
    x = 46,264,816.48/6,865.58
  6. Step 6: Final answer
    x = 6,738.66

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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.