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Finding the Fourth Proportional to 1,451.93, 2,001.51 and 953.37

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Solution

The fourth proportional to 1,451.93, 2,001.51 and 953.37 is: 1,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.93 : 2,001.51 = 953.37 : x
  2. Step 2: Convert to fraction form
    1,451.93/2,001.51 = 953.37/x
  3. Step 3: Cross multiply
    1,451.93x = 2,001.51 × 953.37
  4. Step 4: Simplify right side
    1,451.93x = 1,908,179.59
  5. Step 5: Solve for x
    x = 1,908,179.59/1,451.93
  6. Step 6: Final answer
    x = 1,314.24

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1.5x scale

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.