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Finding the Fourth Proportional to 59,799.80, 89,699.70 and 53,348.60

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Solution

The fourth proportional to 59,799.80, 89,699.70 and 53,348.60 is: 80,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,799.80 : 89,699.70 = 53,348.60 : x
  2. Step 2: Convert to fraction form
    59,799.80/89,699.70 = 53,348.60/x
  3. Step 3: Cross multiply
    59,799.80x = 89,699.70 × 53,348.60
  4. Step 4: Simplify right side
    59,799.80x = 4,785,353,415.42
  5. Step 5: Solve for x
    x = 4,785,353,415.42/59,799.80
  6. Step 6: Final answer
    x = 80,022.90

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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.