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Finding the Fourth Proportional to 53,630, 80,445.04 and 22,465.28

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Solution

The fourth proportional to 53,630, 80,445.04 and 22,465.28 is: 33,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630 : 80,445.04 = 22,465.28 : x
  2. Step 2: Convert to fraction form
    53,630/80,445.04 = 22,465.28/x
  3. Step 3: Cross multiply
    53,630x = 80,445.04 × 22,465.28
  4. Step 4: Simplify right side
    53,630x = 1,807,220,348.21
  5. Step 5: Solve for x
    x = 1,807,220,348.21/53,630
  6. Step 6: Final answer
    x = 33,697.94

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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.