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Finding the Fourth Proportional to 59,772.40, 89,615.40 and 33,485.20

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Solution

The fourth proportional to 59,772.40, 89,615.40 and 33,485.20 is: 50,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,772.40 : 89,615.40 = 33,485.20 : x
  2. Step 2: Convert to fraction form
    59,772.40/89,615.40 = 33,485.20/x
  3. Step 3: Cross multiply
    59,772.40x = 89,615.40 × 33,485.20
  4. Step 4: Simplify right side
    59,772.40x = 3,000,789,592.08
  5. Step 5: Solve for x
    x = 3,000,789,592.08/59,772.40
  6. Step 6: Final answer
    x = 50,203.60

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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.