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Finding the Fourth Proportional to 63,809.64, 95,714.52 and 28,708.32

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Solution

The fourth proportional to 63,809.64, 95,714.52 and 28,708.32 is: 43,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.64 : 95,714.52 = 28,708.32 : x
  2. Step 2: Convert to fraction form
    63,809.64/95,714.52 = 28,708.32/x
  3. Step 3: Cross multiply
    63,809.64x = 95,714.52 × 28,708.32
  4. Step 4: Simplify right side
    63,809.64x = 2,747,803,068.81
  5. Step 5: Solve for x
    x = 2,747,803,068.81/63,809.64
  6. Step 6: Final answer
    x = 43,062.51

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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.