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Finding the Fourth Proportional to 1,037.56, 1,554.72 and 652

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Solution

The fourth proportional to 1,037.56, 1,554.72 and 652 is: 976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.56 : 1,554.72 = 652 : x
  2. Step 2: Convert to fraction form
    1,037.56/1,554.72 = 652/x
  3. Step 3: Cross multiply
    1,037.56x = 1,554.72 × 652
  4. Step 4: Simplify right side
    1,037.56x = 1,013,677.44
  5. Step 5: Solve for x
    x = 1,013,677.44/1,037.56
  6. Step 6: Final answer
    x = 976.98

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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.