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Finding the Fourth Proportional to 1,373.10, 1,883.42 and 1,373.10

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Solution

The fourth proportional to 1,373.10, 1,883.42 and 1,373.10 is: 1,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.10 : 1,883.42 = 1,373.10 : x
  2. Step 2: Convert to fraction form
    1,373.10/1,883.42 = 1,373.10/x
  3. Step 3: Cross multiply
    1,373.10x = 1,883.42 × 1,373.10
  4. Step 4: Simplify right side
    1,373.10x = 2,586,117.14
  5. Step 5: Solve for x
    x = 2,586,117.14/1,373.10
  6. Step 6: Final answer
    x = 1,883.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.