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Finding the Fourth Proportional to 60,289.60, 83,200.80 and 33,433.60

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Solution

The fourth proportional to 60,289.60, 83,200.80 and 33,433.60 is: 46,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,289.60 : 83,200.80 = 33,433.60 : x
  2. Step 2: Convert to fraction form
    60,289.60/83,200.80 = 33,433.60/x
  3. Step 3: Cross multiply
    60,289.60x = 83,200.80 × 33,433.60
  4. Step 4: Simplify right side
    60,289.60x = 2,781,702,266.88
  5. Step 5: Solve for x
    x = 2,781,702,266.88/60,289.60
  6. Step 6: Final answer
    x = 46,139.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.