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Finding the Fourth Proportional to 50,406.03, 75,612.02 and 12,966.48

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Solution

The fourth proportional to 50,406.03, 75,612.02 and 12,966.48 is: 19,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,406.03 : 75,612.02 = 12,966.48 : x
  2. Step 2: Convert to fraction form
    50,406.03/75,612.02 = 12,966.48/x
  3. Step 3: Cross multiply
    50,406.03x = 75,612.02 × 12,966.48
  4. Step 4: Simplify right side
    50,406.03x = 980,421,680.26
  5. Step 5: Solve for x
    x = 980,421,680.26/50,406.03
  6. Step 6: Final answer
    x = 19,450.48

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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.