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Finding the Fourth Proportional to 65,037.40, 97,491.30 and 29,915.80

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Solution

The fourth proportional to 65,037.40, 97,491.30 and 29,915.80 is: 44,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,037.40 : 97,491.30 = 29,915.80 : x
  2. Step 2: Convert to fraction form
    65,037.40/97,491.30 = 29,915.80/x
  3. Step 3: Cross multiply
    65,037.40x = 97,491.30 × 29,915.80
  4. Step 4: Simplify right side
    65,037.40x = 2,916,530,232.54
  5. Step 5: Solve for x
    x = 2,916,530,232.54/65,037.40
  6. Step 6: Final answer
    x = 44,843.89

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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.