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Finding the Fourth Proportional to 59,155.90, 81,624.64 and 33,658.20

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Solution

The fourth proportional to 59,155.90, 81,624.64 and 33,658.20 is: 46,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,155.90 : 81,624.64 = 33,658.20 : x
  2. Step 2: Convert to fraction form
    59,155.90/81,624.64 = 33,658.20/x
  3. Step 3: Cross multiply
    59,155.90x = 81,624.64 × 33,658.20
  4. Step 4: Simplify right side
    59,155.90x = 2,747,338,458.05
  5. Step 5: Solve for x
    x = 2,747,338,458.05/59,155.90
  6. Step 6: Final answer
    x = 46,442.34

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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.