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Finding the Fourth Proportional to 65,028.94, 97,533.45 and 20,649.94

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Solution

The fourth proportional to 65,028.94, 97,533.45 and 20,649.94 is: 30,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.94 : 97,533.45 = 20,649.94 : x
  2. Step 2: Convert to fraction form
    65,028.94/97,533.45 = 20,649.94/x
  3. Step 3: Cross multiply
    65,028.94x = 97,533.45 × 20,649.94
  4. Step 4: Simplify right side
    65,028.94x = 2,014,059,890.49
  5. Step 5: Solve for x
    x = 2,014,059,890.49/65,028.94
  6. Step 6: Final answer
    x = 30,971.75

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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.