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Finding the Fourth Proportional to 1,595.01, 2,391.17 and 669.99

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Solution

The fourth proportional to 1,595.01, 2,391.17 and 669.99 is: 1,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.01 : 2,391.17 = 669.99 : x
  2. Step 2: Convert to fraction form
    1,595.01/2,391.17 = 669.99/x
  3. Step 3: Cross multiply
    1,595.01x = 2,391.17 × 669.99
  4. Step 4: Simplify right side
    1,595.01x = 1,602,056.64
  5. Step 5: Solve for x
    x = 1,602,056.64/1,595.01
  6. Step 6: Final answer
    x = 1,004.42

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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.