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Finding the Fourth Proportional to 50,714.40, 71,116.80 and 50,714.40

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Solution

The fourth proportional to 50,714.40, 71,116.80 and 50,714.40 is: 71,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.40 : 71,116.80 = 50,714.40 : x
  2. Step 2: Convert to fraction form
    50,714.40/71,116.80 = 50,714.40/x
  3. Step 3: Cross multiply
    50,714.40x = 71,116.80 × 50,714.40
  4. Step 4: Simplify right side
    50,714.40x = 3,606,645,841.92
  5. Step 5: Solve for x
    x = 3,606,645,841.92/50,714.40
  6. Step 6: Final answer
    x = 71,116.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.