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Finding the Fourth Proportional to 50,604.64, 69,818.16 and 28,244.32

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Solution

The fourth proportional to 50,604.64, 69,818.16 and 28,244.32 is: 38,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.64 : 69,818.16 = 28,244.32 : x
  2. Step 2: Convert to fraction form
    50,604.64/69,818.16 = 28,244.32/x
  3. Step 3: Cross multiply
    50,604.64x = 69,818.16 × 28,244.32
  4. Step 4: Simplify right side
    50,604.64x = 1,971,966,452.85
  5. Step 5: Solve for x
    x = 1,971,966,452.85/50,604.64
  6. Step 6: Final answer
    x = 38,968.10

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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.