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Finding the Fourth Proportional to 50,609.20, 75,913.80 and 34,020.40

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Solution

The fourth proportional to 50,609.20, 75,913.80 and 34,020.40 is: 51,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,609.20 : 75,913.80 = 34,020.40 : x
  2. Step 2: Convert to fraction form
    50,609.20/75,913.80 = 34,020.40/x
  3. Step 3: Cross multiply
    50,609.20x = 75,913.80 × 34,020.40
  4. Step 4: Simplify right side
    50,609.20x = 2,582,617,841.52
  5. Step 5: Solve for x
    x = 2,582,617,841.52/50,609.20
  6. Step 6: Final answer
    x = 51,030.60

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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.