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Finding the Fourth Proportional to 4,901, 6,763.42 and 2,805.08

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Solution

The fourth proportional to 4,901, 6,763.42 and 2,805.08 is: 3,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901 : 6,763.42 = 2,805.08 : x
  2. Step 2: Convert to fraction form
    4,901/6,763.42 = 2,805.08/x
  3. Step 3: Cross multiply
    4,901x = 6,763.42 × 2,805.08
  4. Step 4: Simplify right side
    4,901x = 18,971,934.17
  5. Step 5: Solve for x
    x = 18,971,934.17/4,901
  6. Step 6: Final answer
    x = 3,871.03

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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.