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Finding the Fourth Proportional to 50,648.16, 75,955.68 and 16,905.12

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Solution

The fourth proportional to 50,648.16, 75,955.68 and 16,905.12 is: 25,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.16 : 75,955.68 = 16,905.12 : x
  2. Step 2: Convert to fraction form
    50,648.16/75,955.68 = 16,905.12/x
  3. Step 3: Cross multiply
    50,648.16x = 75,955.68 × 16,905.12
  4. Step 4: Simplify right side
    50,648.16x = 1,284,039,885.08
  5. Step 5: Solve for x
    x = 1,284,039,885.08/50,648.16
  6. Step 6: Final answer
    x = 25,352.15

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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.