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Finding the Fourth Proportional to 42,595.92, 63,893.88 and 16,308.72

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Solution

The fourth proportional to 42,595.92, 63,893.88 and 16,308.72 is: 24,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595.92 : 63,893.88 = 16,308.72 : x
  2. Step 2: Convert to fraction form
    42,595.92/63,893.88 = 16,308.72/x
  3. Step 3: Cross multiply
    42,595.92x = 63,893.88 × 16,308.72
  4. Step 4: Simplify right side
    42,595.92x = 1,042,027,398.63
  5. Step 5: Solve for x
    x = 1,042,027,398.63/42,595.92
  6. Step 6: Final answer
    x = 24,463.08

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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.