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Finding the Fourth Proportional to 64,837.63, 89,475.93 and 35,029.63

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Solution

The fourth proportional to 64,837.63, 89,475.93 and 35,029.63 is: 48,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.63 : 89,475.93 = 35,029.63 : x
  2. Step 2: Convert to fraction form
    64,837.63/89,475.93 = 35,029.63/x
  3. Step 3: Cross multiply
    64,837.63x = 89,475.93 × 35,029.63
  4. Step 4: Simplify right side
    64,837.63x = 3,134,308,099.28
  5. Step 5: Solve for x
    x = 3,134,308,099.28/64,837.63
  6. Step 6: Final answer
    x = 48,340.88

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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.