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Finding the Fourth Proportional to 58,290.54, 87,509.61 and 48,548.94

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Solution

The fourth proportional to 58,290.54, 87,509.61 and 48,548.94 is: 72,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,290.54 : 87,509.61 = 48,548.94 : x
  2. Step 2: Convert to fraction form
    58,290.54/87,509.61 = 48,548.94/x
  3. Step 3: Cross multiply
    58,290.54x = 87,509.61 × 48,548.94
  4. Step 4: Simplify right side
    58,290.54x = 4,248,498,805.31
  5. Step 5: Solve for x
    x = 4,248,498,805.31/58,290.54
  6. Step 6: Final answer
    x = 72,884.88

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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.