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Finding the Fourth Proportional to 59,097.60, 88,628.04 and 19,645.20

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Solution

The fourth proportional to 59,097.60, 88,628.04 and 19,645.20 is: 29,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,097.60 : 88,628.04 = 19,645.20 : x
  2. Step 2: Convert to fraction form
    59,097.60/88,628.04 = 19,645.20/x
  3. Step 3: Cross multiply
    59,097.60x = 88,628.04 × 19,645.20
  4. Step 4: Simplify right side
    59,097.60x = 1,741,115,571.41
  5. Step 5: Solve for x
    x = 1,741,115,571.41/59,097.60
  6. Step 6: Final answer
    x = 29,461.70

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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.