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Finding the Fourth Proportional to 1,058.37, 1,461.06 and 704.88

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Solution

The fourth proportional to 1,058.37, 1,461.06 and 704.88 is: 973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.37 : 1,461.06 = 704.88 : x
  2. Step 2: Convert to fraction form
    1,058.37/1,461.06 = 704.88/x
  3. Step 3: Cross multiply
    1,058.37x = 1,461.06 × 704.88
  4. Step 4: Simplify right side
    1,058.37x = 1,029,871.97
  5. Step 5: Solve for x
    x = 1,029,871.97/1,058.37
  6. Step 6: Final answer
    x = 973.07

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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.