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Finding the Fourth Proportional to 53,861,666.80, 80,792,500.20 and 37,422,425.20

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Solution

The fourth proportional to 53,861,666.80, 80,792,500.20 and 37,422,425.20 is: 56,133,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861,666.80 : 80,792,500.20 = 37,422,425.20 : x
  2. Step 2: Convert to fraction form
    53,861,666.80/80,792,500.20 = 37,422,425.20/x
  3. Step 3: Cross multiply
    53,861,666.80x = 80,792,500.20 × 37,422,425.20
  4. Step 4: Simplify right side
    53,861,666.80x = 3,023,451,295,455,485.50
  5. Step 5: Solve for x
    x = 3,023,451,295,455,485.50/53,861,666.80
  6. Step 6: Final answer
    x = 56,133,637.80

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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.