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Finding the Fourth Proportional to 50,316.80, 75,280.80 and 32,820.80

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Solution

The fourth proportional to 50,316.80, 75,280.80 and 32,820.80 is: 49,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,316.80 : 75,280.80 = 32,820.80 : x
  2. Step 2: Convert to fraction form
    50,316.80/75,280.80 = 32,820.80/x
  3. Step 3: Cross multiply
    50,316.80x = 75,280.80 × 32,820.80
  4. Step 4: Simplify right side
    50,316.80x = 2,470,776,080.64
  5. Step 5: Solve for x
    x = 2,470,776,080.64/50,316.80
  6. Step 6: Final answer
    x = 49,104.40

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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.