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Finding the Fourth Proportional to 58,038.88, 87,051.51 and 15,923.23

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Solution

The fourth proportional to 58,038.88, 87,051.51 and 15,923.23 is: 23,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,038.88 : 87,051.51 = 15,923.23 : x
  2. Step 2: Convert to fraction form
    58,038.88/87,051.51 = 15,923.23/x
  3. Step 3: Cross multiply
    58,038.88x = 87,051.51 × 15,923.23
  4. Step 4: Simplify right side
    58,038.88x = 1,386,141,215.58
  5. Step 5: Solve for x
    x = 1,386,141,215.58/58,038.88
  6. Step 6: Final answer
    x = 23,882.98

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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.