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Finding the Fourth Proportional to 2,905.04, 4,358.08 and 1,058.74

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Solution

The fourth proportional to 2,905.04, 4,358.08 and 1,058.74 is: 1,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.04 : 4,358.08 = 1,058.74 : x
  2. Step 2: Convert to fraction form
    2,905.04/4,358.08 = 1,058.74/x
  3. Step 3: Cross multiply
    2,905.04x = 4,358.08 × 1,058.74
  4. Step 4: Simplify right side
    2,905.04x = 4,614,068.33
  5. Step 5: Solve for x
    x = 4,614,068.33/2,905.04
  6. Step 6: Final answer
    x = 1,588.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.