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Finding the Fourth Proportional to 4,925.62, 7,390.38 and 1,805.86

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Solution

The fourth proportional to 4,925.62, 7,390.38 and 1,805.86 is: 2,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.62 : 7,390.38 = 1,805.86 : x
  2. Step 2: Convert to fraction form
    4,925.62/7,390.38 = 1,805.86/x
  3. Step 3: Cross multiply
    4,925.62x = 7,390.38 × 1,805.86
  4. Step 4: Simplify right side
    4,925.62x = 13,345,991.63
  5. Step 5: Solve for x
    x = 13,345,991.63/4,925.62
  6. Step 6: Final answer
    x = 2,709.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.