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Finding the Fourth Proportional to 58,490.16, 87,719.64 and 16,367.61

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Solution

The fourth proportional to 58,490.16, 87,719.64 and 16,367.61 is: 24,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.16 : 87,719.64 = 16,367.61 : x
  2. Step 2: Convert to fraction form
    58,490.16/87,719.64 = 16,367.61/x
  3. Step 3: Cross multiply
    58,490.16x = 87,719.64 × 16,367.61
  4. Step 4: Simplify right side
    58,490.16x = 1,435,760,856.86
  5. Step 5: Solve for x
    x = 1,435,760,856.86/58,490.16
  6. Step 6: Final answer
    x = 24,547.05

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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.