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Finding the Fourth Proportional to 64,725.40, 97,091.30 and 33,621.40

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Solution

The fourth proportional to 64,725.40, 97,091.30 and 33,621.40 is: 50,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.40 : 97,091.30 = 33,621.40 : x
  2. Step 2: Convert to fraction form
    64,725.40/97,091.30 = 33,621.40/x
  3. Step 3: Cross multiply
    64,725.40x = 97,091.30 × 33,621.40
  4. Step 4: Simplify right side
    64,725.40x = 3,264,345,433.82
  5. Step 5: Solve for x
    x = 3,264,345,433.82/64,725.40
  6. Step 6: Final answer
    x = 50,433.76

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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.