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Finding the Fourth Proportional to 59,750.68, 89,639.50 and 19,769.56

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Solution

The fourth proportional to 59,750.68, 89,639.50 and 19,769.56 is: 29,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,750.68 : 89,639.50 = 19,769.56 : x
  2. Step 2: Convert to fraction form
    59,750.68/89,639.50 = 19,769.56/x
  3. Step 3: Cross multiply
    59,750.68x = 89,639.50 × 19,769.56
  4. Step 4: Simplify right side
    59,750.68x = 1,772,133,473.62
  5. Step 5: Solve for x
    x = 1,772,133,473.62/59,750.68
  6. Step 6: Final answer
    x = 29,658.80

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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.