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Finding the Fourth Proportional to 1,554.72, 2,332.62 and 733.12

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Solution

The fourth proportional to 1,554.72, 2,332.62 and 733.12 is: 1,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.72 : 2,332.62 = 733.12 : x
  2. Step 2: Convert to fraction form
    1,554.72/2,332.62 = 733.12/x
  3. Step 3: Cross multiply
    1,554.72x = 2,332.62 × 733.12
  4. Step 4: Simplify right side
    1,554.72x = 1,710,090.37
  5. Step 5: Solve for x
    x = 1,710,090.37/1,554.72
  6. Step 6: Final answer
    x = 1,099.93

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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.