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Finding the Fourth Proportional to 50,962.40, 76,443.60 and 13,522.40

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Solution

The fourth proportional to 50,962.40, 76,443.60 and 13,522.40 is: 20,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,962.40 : 76,443.60 = 13,522.40 : x
  2. Step 2: Convert to fraction form
    50,962.40/76,443.60 = 13,522.40/x
  3. Step 3: Cross multiply
    50,962.40x = 76,443.60 × 13,522.40
  4. Step 4: Simplify right side
    50,962.40x = 1,033,700,936.64
  5. Step 5: Solve for x
    x = 1,033,700,936.64/50,962.40
  6. Step 6: Final answer
    x = 20,283.60

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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.