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Finding the Fourth Proportional to 59,509.97, 89,202.68 and 20,053.45

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Solution

The fourth proportional to 59,509.97, 89,202.68 and 20,053.45 is: 30,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,509.97 : 89,202.68 = 20,053.45 : x
  2. Step 2: Convert to fraction form
    59,509.97/89,202.68 = 20,053.45/x
  3. Step 3: Cross multiply
    59,509.97x = 89,202.68 × 20,053.45
  4. Step 4: Simplify right side
    59,509.97x = 1,788,820,936.97
  5. Step 5: Solve for x
    x = 1,788,820,936.97/59,509.97
  6. Step 6: Final answer
    x = 30,059.18

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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.