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Finding the Fourth Proportional to 59,448, 89,151.36 and 17,316.72

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Solution

The fourth proportional to 59,448, 89,151.36 and 17,316.72 is: 25,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,448 : 89,151.36 = 17,316.72 : x
  2. Step 2: Convert to fraction form
    59,448/89,151.36 = 17,316.72/x
  3. Step 3: Cross multiply
    59,448x = 89,151.36 × 17,316.72
  4. Step 4: Simplify right side
    59,448x = 1,543,809,138.74
  5. Step 5: Solve for x
    x = 1,543,809,138.74/59,448
  6. Step 6: Final answer
    x = 25,969.07

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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.