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Finding the Fourth Proportional to 1,804.53, 2,490.26 and 1,058.93

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Solution

The fourth proportional to 1,804.53, 2,490.26 and 1,058.93 is: 1,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.53 : 2,490.26 = 1,058.93 : x
  2. Step 2: Convert to fraction form
    1,804.53/2,490.26 = 1,058.93/x
  3. Step 3: Cross multiply
    1,804.53x = 2,490.26 × 1,058.93
  4. Step 4: Simplify right side
    1,804.53x = 2,637,011.02
  5. Step 5: Solve for x
    x = 2,637,011.02/1,804.53
  6. Step 6: Final answer
    x = 1,461.33

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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.