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Finding the Fourth Proportional to 59,640.41, 89,471.57 and 19,661.74

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Solution

The fourth proportional to 59,640.41, 89,471.57 and 19,661.74 is: 29,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.41 : 89,471.57 = 19,661.74 : x
  2. Step 2: Convert to fraction form
    59,640.41/89,471.57 = 19,661.74/x
  3. Step 3: Cross multiply
    59,640.41x = 89,471.57 × 19,661.74
  4. Step 4: Simplify right side
    59,640.41x = 1,759,166,746.73
  5. Step 5: Solve for x
    x = 1,759,166,746.73/59,640.41
  6. Step 6: Final answer
    x = 29,496.22

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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.