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Finding the Fourth Proportional to 71,155.32, 106,797.60 and 37,903.74

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Solution

The fourth proportional to 71,155.32, 106,797.60 and 37,903.74 is: 56,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.32 : 106,797.60 = 37,903.74 : x
  2. Step 2: Convert to fraction form
    71,155.32/106,797.60 = 37,903.74/x
  3. Step 3: Cross multiply
    71,155.32x = 106,797.60 × 37,903.74
  4. Step 4: Simplify right side
    71,155.32x = 4,048,028,463.02
  5. Step 5: Solve for x
    x = 4,048,028,463.02/71,155.32
  6. Step 6: Final answer
    x = 56,890.03

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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.