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Finding the Fourth Proportional to 50,673.40, 76,010.10 and 42,800.20

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Solution

The fourth proportional to 50,673.40, 76,010.10 and 42,800.20 is: 64,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,673.40 : 76,010.10 = 42,800.20 : x
  2. Step 2: Convert to fraction form
    50,673.40/76,010.10 = 42,800.20/x
  3. Step 3: Cross multiply
    50,673.40x = 76,010.10 × 42,800.20
  4. Step 4: Simplify right side
    50,673.40x = 3,253,247,482.02
  5. Step 5: Solve for x
    x = 3,253,247,482.02/50,673.40
  6. Step 6: Final answer
    x = 64,200.30

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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.