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Finding the Fourth Proportional to 59,442.39, 89,100.71 and 21,978.39

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Solution

The fourth proportional to 59,442.39, 89,100.71 and 21,978.39 is: 32,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,442.39 : 89,100.71 = 21,978.39 : x
  2. Step 2: Convert to fraction form
    59,442.39/89,100.71 = 21,978.39/x
  3. Step 3: Cross multiply
    59,442.39x = 89,100.71 × 21,978.39
  4. Step 4: Simplify right side
    59,442.39x = 1,958,290,043.76
  5. Step 5: Solve for x
    x = 1,958,290,043.76/59,442.39
  6. Step 6: Final answer
    x = 32,944.34

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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.