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Finding the Fourth Proportional to 1,492.29, 2,058.23 and 995.58

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Solution

The fourth proportional to 1,492.29, 2,058.23 and 995.58 is: 1,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.29 : 2,058.23 = 995.58 : x
  2. Step 2: Convert to fraction form
    1,492.29/2,058.23 = 995.58/x
  3. Step 3: Cross multiply
    1,492.29x = 2,058.23 × 995.58
  4. Step 4: Simplify right side
    1,492.29x = 2,049,127.65
  5. Step 5: Solve for x
    x = 2,049,127.65/1,492.29
  6. Step 6: Final answer
    x = 1,373.14

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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.