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Finding the Fourth Proportional to 35,225.30, 48,612.91 and 20,893.62

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Solution

The fourth proportional to 35,225.30, 48,612.91 and 20,893.62 is: 28,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,225.30 : 48,612.91 = 20,893.62 : x
  2. Step 2: Convert to fraction form
    35,225.30/48,612.91 = 20,893.62/x
  3. Step 3: Cross multiply
    35,225.30x = 48,612.91 × 20,893.62
  4. Step 4: Simplify right side
    35,225.30x = 1,015,699,668.63
  5. Step 5: Solve for x
    x = 1,015,699,668.63/35,225.30
  6. Step 6: Final answer
    x = 28,834.38

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Double scale
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1.5x scale

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.