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Finding the Fourth Proportional to 35,523, 49,026.60 and 20,619

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Solution

The fourth proportional to 35,523, 49,026.60 and 20,619 is: 28,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523 : 49,026.60 = 20,619 : x
  2. Step 2: Convert to fraction form
    35,523/49,026.60 = 20,619/x
  3. Step 3: Cross multiply
    35,523x = 49,026.60 × 20,619
  4. Step 4: Simplify right side
    35,523x = 1,010,879,465.40
  5. Step 5: Solve for x
    x = 1,010,879,465.40/35,523
  6. Step 6: Final answer
    x = 28,457.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.