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Finding the Fourth Proportional to 59,787.84, 89,681.76 and 18,234.84

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Solution

The fourth proportional to 59,787.84, 89,681.76 and 18,234.84 is: 27,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,787.84 : 89,681.76 = 18,234.84 : x
  2. Step 2: Convert to fraction form
    59,787.84/89,681.76 = 18,234.84/x
  3. Step 3: Cross multiply
    59,787.84x = 89,681.76 × 18,234.84
  4. Step 4: Simplify right side
    59,787.84x = 1,635,332,544.52
  5. Step 5: Solve for x
    x = 1,635,332,544.52/59,787.84
  6. Step 6: Final answer
    x = 27,352.26

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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.