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Finding the Fourth Proportional to 64,954.56, 89,637.57 and 35,146.56

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Solution

The fourth proportional to 64,954.56, 89,637.57 and 35,146.56 is: 48,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954.56 : 89,637.57 = 35,146.56 : x
  2. Step 2: Convert to fraction form
    64,954.56/89,637.57 = 35,146.56/x
  3. Step 3: Cross multiply
    64,954.56x = 89,637.57 × 35,146.56
  4. Step 4: Simplify right side
    64,954.56x = 3,150,452,232.26
  5. Step 5: Solve for x
    x = 3,150,452,232.26/64,954.56
  6. Step 6: Final answer
    x = 48,502.40

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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.