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Finding the Fourth Proportional to 1,058.12, 1,460.07 and 585.98

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Solution

The fourth proportional to 1,058.12, 1,460.07 and 585.98 is: 808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.12 : 1,460.07 = 585.98 : x
  2. Step 2: Convert to fraction form
    1,058.12/1,460.07 = 585.98/x
  3. Step 3: Cross multiply
    1,058.12x = 1,460.07 × 585.98
  4. Step 4: Simplify right side
    1,058.12x = 855,564.52
  5. Step 5: Solve for x
    x = 855,564.52/1,058.12
  6. Step 6: Final answer
    x = 808.57

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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.