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Finding the Fourth Proportional to 1,784.64, 2,671.76 and 1,041.99

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Solution

The fourth proportional to 1,784.64, 2,671.76 and 1,041.99 is: 1,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.64 : 2,671.76 = 1,041.99 : x
  2. Step 2: Convert to fraction form
    1,784.64/2,671.76 = 1,041.99/x
  3. Step 3: Cross multiply
    1,784.64x = 2,671.76 × 1,041.99
  4. Step 4: Simplify right side
    1,784.64x = 2,783,928.63
  5. Step 5: Solve for x
    x = 2,783,928.63/1,784.64
  6. Step 6: Final answer
    x = 1,559.94

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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.