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Finding the Fourth Proportional to 65,672.32, 98,507.84 and 16,424.32

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Solution

The fourth proportional to 65,672.32, 98,507.84 and 16,424.32 is: 24,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,672.32 : 98,507.84 = 16,424.32 : x
  2. Step 2: Convert to fraction form
    65,672.32/98,507.84 = 16,424.32/x
  3. Step 3: Cross multiply
    65,672.32x = 98,507.84 × 16,424.32
  4. Step 4: Simplify right side
    65,672.32x = 1,617,924,286.67
  5. Step 5: Solve for x
    x = 1,617,924,286.67/65,672.32
  6. Step 6: Final answer
    x = 24,636.32

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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.