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Finding the Fourth Proportional to 64,958.94, 89,643.64 and 35,150.94

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Solution

The fourth proportional to 64,958.94, 89,643.64 and 35,150.94 is: 48,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,958.94 : 89,643.64 = 35,150.94 : x
  2. Step 2: Convert to fraction form
    64,958.94/89,643.64 = 35,150.94/x
  3. Step 3: Cross multiply
    64,958.94x = 89,643.64 × 35,150.94
  4. Step 4: Simplify right side
    64,958.94x = 3,151,058,211.02
  5. Step 5: Solve for x
    x = 3,151,058,211.02/64,958.94
  6. Step 6: Final answer
    x = 48,508.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.