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Finding the Fourth Proportional to 1,804.08, 2,702.76 and 1,570.21

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Solution

The fourth proportional to 1,804.08, 2,702.76 and 1,570.21 is: 2,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.08 : 2,702.76 = 1,570.21 : x
  2. Step 2: Convert to fraction form
    1,804.08/2,702.76 = 1,570.21/x
  3. Step 3: Cross multiply
    1,804.08x = 2,702.76 × 1,570.21
  4. Step 4: Simplify right side
    1,804.08x = 4,243,900.78
  5. Step 5: Solve for x
    x = 4,243,900.78/1,804.08
  6. Step 6: Final answer
    x = 2,352.39

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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.