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Finding the Fourth Proportional to 58,474.41, 87,717.08 and 19,020.93

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Solution

The fourth proportional to 58,474.41, 87,717.08 and 19,020.93 is: 28,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.41 : 87,717.08 = 19,020.93 : x
  2. Step 2: Convert to fraction form
    58,474.41/87,717.08 = 19,020.93/x
  3. Step 3: Cross multiply
    58,474.41x = 87,717.08 × 19,020.93
  4. Step 4: Simplify right side
    58,474.41x = 1,668,460,050.10
  5. Step 5: Solve for x
    x = 1,668,460,050.10/58,474.41
  6. Step 6: Final answer
    x = 28,533.17

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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.