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Finding the Fourth Proportional to 1,795.74, 2,477.86 and 999.02

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Solution

The fourth proportional to 1,795.74, 2,477.86 and 999.02 is: 1,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.74 : 2,477.86 = 999.02 : x
  2. Step 2: Convert to fraction form
    1,795.74/2,477.86 = 999.02/x
  3. Step 3: Cross multiply
    1,795.74x = 2,477.86 × 999.02
  4. Step 4: Simplify right side
    1,795.74x = 2,475,431.70
  5. Step 5: Solve for x
    x = 2,475,431.70/1,795.74
  6. Step 6: Final answer
    x = 1,378.50

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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.