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Finding the Fourth Proportional to 1,756.58, 2,423.73 and 1,058

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Solution

The fourth proportional to 1,756.58, 2,423.73 and 1,058 is: 1,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.58 : 2,423.73 = 1,058 : x
  2. Step 2: Convert to fraction form
    1,756.58/2,423.73 = 1,058/x
  3. Step 3: Cross multiply
    1,756.58x = 2,423.73 × 1,058
  4. Step 4: Simplify right side
    1,756.58x = 2,564,306.34
  5. Step 5: Solve for x
    x = 2,564,306.34/1,756.58
  6. Step 6: Final answer
    x = 1,459.83

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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.