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Finding the Fourth Proportional to 1,512.61, 2,088.99 and 1,041.73

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Solution

The fourth proportional to 1,512.61, 2,088.99 and 1,041.73 is: 1,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.61 : 2,088.99 = 1,041.73 : x
  2. Step 2: Convert to fraction form
    1,512.61/2,088.99 = 1,041.73/x
  3. Step 3: Cross multiply
    1,512.61x = 2,088.99 × 1,041.73
  4. Step 4: Simplify right side
    1,512.61x = 2,176,158.33
  5. Step 5: Solve for x
    x = 2,176,158.33/1,512.61
  6. Step 6: Final answer
    x = 1,438.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.