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Finding the Fourth Proportional to 65,358.32, 98,037 and 18,611.12

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Solution

The fourth proportional to 65,358.32, 98,037 and 18,611.12 is: 27,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,358.32 : 98,037 = 18,611.12 : x
  2. Step 2: Convert to fraction form
    65,358.32/98,037 = 18,611.12/x
  3. Step 3: Cross multiply
    65,358.32x = 98,037 × 18,611.12
  4. Step 4: Simplify right side
    65,358.32x = 1,824,578,371.44
  5. Step 5: Solve for x
    x = 1,824,578,371.44/65,358.32
  6. Step 6: Final answer
    x = 27,916.54

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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.