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Finding the Fourth Proportional to 1,804.58, 2,488.47 and 1,764.35

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Solution

The fourth proportional to 1,804.58, 2,488.47 and 1,764.35 is: 2,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.58 : 2,488.47 = 1,764.35 : x
  2. Step 2: Convert to fraction form
    1,804.58/2,488.47 = 1,764.35/x
  3. Step 3: Cross multiply
    1,804.58x = 2,488.47 × 1,764.35
  4. Step 4: Simplify right side
    1,804.58x = 4,390,519.60
  5. Step 5: Solve for x
    x = 4,390,519.60/1,804.58
  6. Step 6: Final answer
    x = 2,432.99

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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.