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Finding the Fourth Proportional to 42,632.03, 63,981.03 and 34,332.41

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Solution

The fourth proportional to 42,632.03, 63,981.03 and 34,332.41 is: 51,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632.03 : 63,981.03 = 34,332.41 : x
  2. Step 2: Convert to fraction form
    42,632.03/63,981.03 = 34,332.41/x
  3. Step 3: Cross multiply
    42,632.03x = 63,981.03 × 34,332.41
  4. Step 4: Simplify right side
    42,632.03x = 2,196,622,954.18
  5. Step 5: Solve for x
    x = 2,196,622,954.18/42,632.03
  6. Step 6: Final answer
    x = 51,525.18

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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.