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Finding the Fourth Proportional to 755.33, 1,133.05 and 700.00

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Solution

The fourth proportional to 755.33, 1,133.05 and 700.00 is: 1,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.33 : 1,133.05 = 700.00 : x
  2. Step 2: Convert to fraction form
    755.33/1,133.05 = 700.00/x
  3. Step 3: Cross multiply
    755.33x = 1,133.05 × 700.00
  4. Step 4: Simplify right side
    755.33x = 793,130.42
  5. Step 5: Solve for x
    x = 793,130.42/755.33
  6. Step 6: Final answer
    x = 1,050.04

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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.