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Finding the Fourth Proportional to 59,905.88, 89,858.82 and 20,463.33

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Solution

The fourth proportional to 59,905.88, 89,858.82 and 20,463.33 is: 30,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,905.88 : 89,858.82 = 20,463.33 : x
  2. Step 2: Convert to fraction form
    59,905.88/89,858.82 = 20,463.33/x
  3. Step 3: Cross multiply
    59,905.88x = 89,858.82 × 20,463.33
  4. Step 4: Simplify right side
    59,905.88x = 1,838,810,985.67
  5. Step 5: Solve for x
    x = 1,838,810,985.67/59,905.88
  6. Step 6: Final answer
    x = 30,695.00

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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.