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Finding the Fourth Proportional to 1,700.89, 2,346.54 and 1,070.30

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Solution

The fourth proportional to 1,700.89, 2,346.54 and 1,070.30 is: 1,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.89 : 2,346.54 = 1,070.30 : x
  2. Step 2: Convert to fraction form
    1,700.89/2,346.54 = 1,070.30/x
  3. Step 3: Cross multiply
    1,700.89x = 2,346.54 × 1,070.30
  4. Step 4: Simplify right side
    1,700.89x = 2,511,503.61
  5. Step 5: Solve for x
    x = 2,511,503.61/1,700.89
  6. Step 6: Final answer
    x = 1,476.58

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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.