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Finding the Fourth Proportional to 2,925.88, 4,383.88 and 2,058.64

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Solution

The fourth proportional to 2,925.88, 4,383.88 and 2,058.64 is: 3,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.88 : 4,383.88 = 2,058.64 : x
  2. Step 2: Convert to fraction form
    2,925.88/4,383.88 = 2,058.64/x
  3. Step 3: Cross multiply
    2,925.88x = 4,383.88 × 2,058.64
  4. Step 4: Simplify right side
    2,925.88x = 9,024,830.72
  5. Step 5: Solve for x
    x = 9,024,830.72/2,925.88
  6. Step 6: Final answer
    x = 3,084.48

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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.