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Finding the Fourth Proportional to 3,095.63, 4,271.85 and 1,769.25

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Solution

The fourth proportional to 3,095.63, 4,271.85 and 1,769.25 is: 2,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.63 : 4,271.85 = 1,769.25 : x
  2. Step 2: Convert to fraction form
    3,095.63/4,271.85 = 1,769.25/x
  3. Step 3: Cross multiply
    3,095.63x = 4,271.85 × 1,769.25
  4. Step 4: Simplify right side
    3,095.63x = 7,557,970.61
  5. Step 5: Solve for x
    x = 7,557,970.61/3,095.63
  6. Step 6: Final answer
    x = 2,441.50

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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.