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Finding the Fourth Proportional to 4,951.63, 7,430.68 and 1,873.63

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Solution

The fourth proportional to 4,951.63, 7,430.68 and 1,873.63 is: 2,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.63 : 7,430.68 = 1,873.63 : x
  2. Step 2: Convert to fraction form
    4,951.63/7,430.68 = 1,873.63/x
  3. Step 3: Cross multiply
    4,951.63x = 7,430.68 × 1,873.63
  4. Step 4: Simplify right side
    4,951.63x = 13,922,307.82
  5. Step 5: Solve for x
    x = 13,922,307.82/4,951.63
  6. Step 6: Final answer
    x = 2,811.66

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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.