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Finding the Fourth Proportional to 71,228.03, 106,810.85 and 33,798.76

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Solution

The fourth proportional to 71,228.03, 106,810.85 and 33,798.76 is: 50,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228.03 : 106,810.85 = 33,798.76 : x
  2. Step 2: Convert to fraction form
    71,228.03/106,810.85 = 33,798.76/x
  3. Step 3: Cross multiply
    71,228.03x = 106,810.85 × 33,798.76
  4. Step 4: Simplify right side
    71,228.03x = 3,610,074,102.02
  5. Step 5: Solve for x
    x = 3,610,074,102.02/71,228.03
  6. Step 6: Final answer
    x = 50,683.34

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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.