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Finding the Fourth Proportional to 47,200.55, 70,800.83 and 44,904.20

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Solution

The fourth proportional to 47,200.55, 70,800.83 and 44,904.20 is: 67,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.55 : 70,800.83 = 44,904.20 : x
  2. Step 2: Convert to fraction form
    47,200.55/70,800.83 = 44,904.20/x
  3. Step 3: Cross multiply
    47,200.55x = 70,800.83 × 44,904.20
  4. Step 4: Simplify right side
    47,200.55x = 3,179,254,405.97
  5. Step 5: Solve for x
    x = 3,179,254,405.97/47,200.55
  6. Step 6: Final answer
    x = 67,356.30

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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.