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Finding the Fourth Proportional to 59,878.80, 89,915.40 and 33,634.80

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Solution

The fourth proportional to 59,878.80, 89,915.40 and 33,634.80 is: 50,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,878.80 : 89,915.40 = 33,634.80 : x
  2. Step 2: Convert to fraction form
    59,878.80/89,915.40 = 33,634.80/x
  3. Step 3: Cross multiply
    59,878.80x = 89,915.40 × 33,634.80
  4. Step 4: Simplify right side
    59,878.80x = 3,024,286,495.92
  5. Step 5: Solve for x
    x = 3,024,286,495.92/59,878.80
  6. Step 6: Final answer
    x = 50,506.80

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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.