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Finding the Fourth Proportional to 29,630.60, 44,543.10 and 20,925.80

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Solution

The fourth proportional to 29,630.60, 44,543.10 and 20,925.80 is: 31,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.60 : 44,543.10 = 20,925.80 : x
  2. Step 2: Convert to fraction form
    29,630.60/44,543.10 = 20,925.80/x
  3. Step 3: Cross multiply
    29,630.60x = 44,543.10 × 20,925.80
  4. Step 4: Simplify right side
    29,630.60x = 932,100,001.98
  5. Step 5: Solve for x
    x = 932,100,001.98/29,630.60
  6. Step 6: Final answer
    x = 31,457.34

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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.