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Finding the Fourth Proportional to 2,866.95, 3,956.58 and 1,748.07

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Solution

The fourth proportional to 2,866.95, 3,956.58 and 1,748.07 is: 2,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.95 : 3,956.58 = 1,748.07 : x
  2. Step 2: Convert to fraction form
    2,866.95/3,956.58 = 1,748.07/x
  3. Step 3: Cross multiply
    2,866.95x = 3,956.58 × 1,748.07
  4. Step 4: Simplify right side
    2,866.95x = 6,916,378.80
  5. Step 5: Solve for x
    x = 6,916,378.80/2,866.95
  6. Step 6: Final answer
    x = 2,412.45

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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.