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Finding the Fourth Proportional to 3,645.99, 5,458.23 and 2,472.93

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Solution

The fourth proportional to 3,645.99, 5,458.23 and 2,472.93 is: 3,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.99 : 5,458.23 = 2,472.93 : x
  2. Step 2: Convert to fraction form
    3,645.99/5,458.23 = 2,472.93/x
  3. Step 3: Cross multiply
    3,645.99x = 5,458.23 × 2,472.93
  4. Step 4: Simplify right side
    3,645.99x = 13,497,820.71
  5. Step 5: Solve for x
    x = 13,497,820.71/3,645.99
  6. Step 6: Final answer
    x = 3,702.10

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1.5x scale

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.