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Finding the Fourth Proportional to 59,622.51, 89,349.93 and 47,087.49

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Solution

The fourth proportional to 59,622.51, 89,349.93 and 47,087.49 is: 70,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,622.51 : 89,349.93 = 47,087.49 : x
  2. Step 2: Convert to fraction form
    59,622.51/89,349.93 = 47,087.49/x
  3. Step 3: Cross multiply
    59,622.51x = 89,349.93 × 47,087.49
  4. Step 4: Simplify right side
    59,622.51x = 4,207,263,935.38
  5. Step 5: Solve for x
    x = 4,207,263,935.38/59,622.51
  6. Step 6: Final answer
    x = 70,565.03

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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.