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Finding the Fourth Proportional to 1,045.06, 1,564.85 and 735.23

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Solution

The fourth proportional to 1,045.06, 1,564.85 and 735.23 is: 1,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.06 : 1,564.85 = 735.23 : x
  2. Step 2: Convert to fraction form
    1,045.06/1,564.85 = 735.23/x
  3. Step 3: Cross multiply
    1,045.06x = 1,564.85 × 735.23
  4. Step 4: Simplify right side
    1,045.06x = 1,150,530.42
  5. Step 5: Solve for x
    x = 1,150,530.42/1,045.06
  6. Step 6: Final answer
    x = 1,100.93

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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.