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Finding the Fourth Proportional to 1,701.86, 2,349 and 1,038.60

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Solution

The fourth proportional to 1,701.86, 2,349 and 1,038.60 is: 1,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.86 : 2,349 = 1,038.60 : x
  2. Step 2: Convert to fraction form
    1,701.86/2,349 = 1,038.60/x
  3. Step 3: Cross multiply
    1,701.86x = 2,349 × 1,038.60
  4. Step 4: Simplify right side
    1,701.86x = 2,439,671.40
  5. Step 5: Solve for x
    x = 2,439,671.40/1,701.86
  6. Step 6: Final answer
    x = 1,433.53

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Why These Related Problems?

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