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Finding the Fourth Proportional to 2,925.54, 4,384.65 and 2,091.33

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Solution

The fourth proportional to 2,925.54, 4,384.65 and 2,091.33 is: 3,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.54 : 4,384.65 = 2,091.33 : x
  2. Step 2: Convert to fraction form
    2,925.54/4,384.65 = 2,091.33/x
  3. Step 3: Cross multiply
    2,925.54x = 4,384.65 × 2,091.33
  4. Step 4: Simplify right side
    2,925.54x = 9,169,750.08
  5. Step 5: Solve for x
    x = 9,169,750.08/2,925.54
  6. Step 6: Final answer
    x = 3,134.38

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