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Finding the Fourth Proportional to 1,133.52, 1,698.12 and 1,010.46

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Solution

The fourth proportional to 1,133.52, 1,698.12 and 1,010.46 is: 1,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.52 : 1,698.12 = 1,010.46 : x
  2. Step 2: Convert to fraction form
    1,133.52/1,698.12 = 1,010.46/x
  3. Step 3: Cross multiply
    1,133.52x = 1,698.12 × 1,010.46
  4. Step 4: Simplify right side
    1,133.52x = 1,715,882.34
  5. Step 5: Solve for x
    x = 1,715,882.34/1,133.52
  6. Step 6: Final answer
    x = 1,513.76

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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.