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Finding the Fourth Proportional to 59,910.66, 89,850.58 and 17,780.76

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Solution

The fourth proportional to 59,910.66, 89,850.58 and 17,780.76 is: 26,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.66 : 89,850.58 = 17,780.76 : x
  2. Step 2: Convert to fraction form
    59,910.66/89,850.58 = 17,780.76/x
  3. Step 3: Cross multiply
    59,910.66x = 89,850.58 × 17,780.76
  4. Step 4: Simplify right side
    59,910.66x = 1,597,611,554.39
  5. Step 5: Solve for x
    x = 1,597,611,554.39/59,910.66
  6. Step 6: Final answer
    x = 26,666.57

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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.