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Finding the Fourth Proportional to 85,952.68, 128,926.32 and 23,622.64

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Solution

The fourth proportional to 85,952.68, 128,926.32 and 23,622.64 is: 35,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,952.68 : 128,926.32 = 23,622.64 : x
  2. Step 2: Convert to fraction form
    85,952.68/128,926.32 = 23,622.64/x
  3. Step 3: Cross multiply
    85,952.68x = 128,926.32 × 23,622.64
  4. Step 4: Simplify right side
    85,952.68x = 3,045,580,043.88
  5. Step 5: Solve for x
    x = 3,045,580,043.88/85,952.68
  6. Step 6: Final answer
    x = 35,433.22

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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.