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Finding the Fourth Proportional to 58,474.80, 87,713.02 and 19,032.12

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Solution

The fourth proportional to 58,474.80, 87,713.02 and 19,032.12 is: 28,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.80 : 87,713.02 = 19,032.12 : x
  2. Step 2: Convert to fraction form
    58,474.80/87,713.02 = 19,032.12/x
  3. Step 3: Cross multiply
    58,474.80x = 87,713.02 × 19,032.12
  4. Step 4: Simplify right side
    58,474.80x = 1,669,364,722.20
  5. Step 5: Solve for x
    x = 1,669,364,722.20/58,474.80
  6. Step 6: Final answer
    x = 28,548.45

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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.