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Finding the Fourth Proportional to 29,663.60, 44,495.40 and 28,626.80

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Solution

The fourth proportional to 29,663.60, 44,495.40 and 28,626.80 is: 42,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.60 : 44,495.40 = 28,626.80 : x
  2. Step 2: Convert to fraction form
    29,663.60/44,495.40 = 28,626.80/x
  3. Step 3: Cross multiply
    29,663.60x = 44,495.40 × 28,626.80
  4. Step 4: Simplify right side
    29,663.60x = 1,273,760,916.72
  5. Step 5: Solve for x
    x = 1,273,760,916.72/29,663.60
  6. Step 6: Final answer
    x = 42,940.20

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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.