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Finding the Fourth Proportional to 2,670.59, 4,005.90 and 1,751.98

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Solution

The fourth proportional to 2,670.59, 4,005.90 and 1,751.98 is: 2,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.59 : 4,005.90 = 1,751.98 : x
  2. Step 2: Convert to fraction form
    2,670.59/4,005.90 = 1,751.98/x
  3. Step 3: Cross multiply
    2,670.59x = 4,005.90 × 1,751.98
  4. Step 4: Simplify right side
    2,670.59x = 7,018,256.68
  5. Step 5: Solve for x
    x = 7,018,256.68/2,670.59
  6. Step 6: Final answer
    x = 2,627.98

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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.