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Finding the Fourth Proportional to 1,535.73, 2,303.46 and 670.02

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Solution

The fourth proportional to 1,535.73, 2,303.46 and 670.02 is: 1,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.73 : 2,303.46 = 670.02 : x
  2. Step 2: Convert to fraction form
    1,535.73/2,303.46 = 670.02/x
  3. Step 3: Cross multiply
    1,535.73x = 2,303.46 × 670.02
  4. Step 4: Simplify right side
    1,535.73x = 1,543,364.27
  5. Step 5: Solve for x
    x = 1,543,364.27/1,535.73
  6. Step 6: Final answer
    x = 1,004.97

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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.