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Finding the Fourth Proportional to 59,348.70, 89,035.20 and 19,934.10

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Solution

The fourth proportional to 59,348.70, 89,035.20 and 19,934.10 is: 29,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,348.70 : 89,035.20 = 19,934.10 : x
  2. Step 2: Convert to fraction form
    59,348.70/89,035.20 = 19,934.10/x
  3. Step 3: Cross multiply
    59,348.70x = 89,035.20 × 19,934.10
  4. Step 4: Simplify right side
    59,348.70x = 1,774,836,580.32
  5. Step 5: Solve for x
    x = 1,774,836,580.32/59,348.70
  6. Step 6: Final answer
    x = 29,905.23

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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.