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Finding the Fourth Proportional to 42,675.92, 58,885.80 and 25,675.92

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Solution

The fourth proportional to 42,675.92, 58,885.80 and 25,675.92 is: 35,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,675.92 : 58,885.80 = 25,675.92 : x
  2. Step 2: Convert to fraction form
    42,675.92/58,885.80 = 25,675.92/x
  3. Step 3: Cross multiply
    42,675.92x = 58,885.80 × 25,675.92
  4. Step 4: Simplify right side
    42,675.92x = 1,511,947,089.94
  5. Step 5: Solve for x
    x = 1,511,947,089.94/42,675.92
  6. Step 6: Final answer
    x = 35,428.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.