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Finding the Fourth Proportional to 63,989.58, 95,996.50 and 28,929.12

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Solution

The fourth proportional to 63,989.58, 95,996.50 and 28,929.12 is: 43,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,989.58 : 95,996.50 = 28,929.12 : x
  2. Step 2: Convert to fraction form
    63,989.58/95,996.50 = 28,929.12/x
  3. Step 3: Cross multiply
    63,989.58x = 95,996.50 × 28,929.12
  4. Step 4: Simplify right side
    63,989.58x = 2,777,094,268.08
  5. Step 5: Solve for x
    x = 2,777,094,268.08/63,989.58
  6. Step 6: Final answer
    x = 43,399.16

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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.