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Finding the Fourth Proportional to 1,001.63, 1,500.02 and 692.62

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Solution

The fourth proportional to 1,001.63, 1,500.02 and 692.62 is: 1,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.63 : 1,500.02 = 692.62 : x
  2. Step 2: Convert to fraction form
    1,001.63/1,500.02 = 692.62/x
  3. Step 3: Cross multiply
    1,001.63x = 1,500.02 × 692.62
  4. Step 4: Simplify right side
    1,001.63x = 1,038,939.24
  5. Step 5: Solve for x
    x = 1,038,939.24/1,001.63
  6. Step 6: Final answer
    x = 1,037.25

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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.