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Finding the Fourth Proportional to 4,805.42, 6,630.46 and 2,917.98

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Solution

The fourth proportional to 4,805.42, 6,630.46 and 2,917.98 is: 4,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.42 : 6,630.46 = 2,917.98 : x
  2. Step 2: Convert to fraction form
    4,805.42/6,630.46 = 2,917.98/x
  3. Step 3: Cross multiply
    4,805.42x = 6,630.46 × 2,917.98
  4. Step 4: Simplify right side
    4,805.42x = 19,347,549.67
  5. Step 5: Solve for x
    x = 19,347,549.67/4,805.42
  6. Step 6: Final answer
    x = 4,026.19

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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.