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Finding the Fourth Proportional to 59,643.43, 89,465.01 and 15,270.19

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Solution

The fourth proportional to 59,643.43, 89,465.01 and 15,270.19 is: 22,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,643.43 : 89,465.01 = 15,270.19 : x
  2. Step 2: Convert to fraction form
    59,643.43/89,465.01 = 15,270.19/x
  3. Step 3: Cross multiply
    59,643.43x = 89,465.01 × 15,270.19
  4. Step 4: Simplify right side
    59,643.43x = 1,366,147,701.05
  5. Step 5: Solve for x
    x = 1,366,147,701.05/59,643.43
  6. Step 6: Final answer
    x = 22,905.25

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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.