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Finding the Fourth Proportional to 50,424.80, 75,637.20 and 44,280.80

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Solution

The fourth proportional to 50,424.80, 75,637.20 and 44,280.80 is: 66,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,424.80 : 75,637.20 = 44,280.80 : x
  2. Step 2: Convert to fraction form
    50,424.80/75,637.20 = 44,280.80/x
  3. Step 3: Cross multiply
    50,424.80x = 75,637.20 × 44,280.80
  4. Step 4: Simplify right side
    50,424.80x = 3,349,275,725.76
  5. Step 5: Solve for x
    x = 3,349,275,725.76/50,424.80
  6. Step 6: Final answer
    x = 66,421.20

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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.