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Finding the Fourth Proportional to 64,738.90, 97,111.55 and 33,634.90

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Solution

The fourth proportional to 64,738.90, 97,111.55 and 33,634.90 is: 50,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,738.90 : 97,111.55 = 33,634.90 : x
  2. Step 2: Convert to fraction form
    64,738.90/97,111.55 = 33,634.90/x
  3. Step 3: Cross multiply
    64,738.90x = 97,111.55 × 33,634.90
  4. Step 4: Simplify right side
    64,738.90x = 3,266,337,273.10
  5. Step 5: Solve for x
    x = 3,266,337,273.10/64,738.90
  6. Step 6: Final answer
    x = 50,454.01

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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.