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Finding the Fourth Proportional to 63,714.64, 87,922.76 and 35,418.32

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Solution

The fourth proportional to 63,714.64, 87,922.76 and 35,418.32 is: 48,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,714.64 : 87,922.76 = 35,418.32 : x
  2. Step 2: Convert to fraction form
    63,714.64/87,922.76 = 35,418.32/x
  3. Step 3: Cross multiply
    63,714.64x = 87,922.76 × 35,418.32
  4. Step 4: Simplify right side
    63,714.64x = 3,114,076,448.96
  5. Step 5: Solve for x
    x = 3,114,076,448.96/63,714.64
  6. Step 6: Final answer
    x = 48,875.37

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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.