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Finding the Fourth Proportional to 58,210.91, 87,313.92 and 16,657.91

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Solution

The fourth proportional to 58,210.91, 87,313.92 and 16,657.91 is: 24,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,210.91 : 87,313.92 = 16,657.91 : x
  2. Step 2: Convert to fraction form
    58,210.91/87,313.92 = 16,657.91/x
  3. Step 3: Cross multiply
    58,210.91x = 87,313.92 × 16,657.91
  4. Step 4: Simplify right side
    58,210.91x = 1,454,466,984.54
  5. Step 5: Solve for x
    x = 1,454,466,984.54/58,210.91
  6. Step 6: Final answer
    x = 24,986.16

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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.