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Finding the Fourth Proportional to 42,603.86, 63,934.23 and 14,901.86

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Solution

The fourth proportional to 42,603.86, 63,934.23 and 14,901.86 is: 22,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.86 : 63,934.23 = 14,901.86 : x
  2. Step 2: Convert to fraction form
    42,603.86/63,934.23 = 14,901.86/x
  3. Step 3: Cross multiply
    42,603.86x = 63,934.23 × 14,901.86
  4. Step 4: Simplify right side
    42,603.86x = 952,738,944.67
  5. Step 5: Solve for x
    x = 952,738,944.67/42,603.86
  6. Step 6: Final answer
    x = 22,362.74

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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.