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Finding the Fourth Proportional to 58,484.92, 87,718.22 and 19,041.77

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Solution

The fourth proportional to 58,484.92, 87,718.22 and 19,041.77 is: 28,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,484.92 : 87,718.22 = 19,041.77 : x
  2. Step 2: Convert to fraction form
    58,484.92/87,718.22 = 19,041.77/x
  3. Step 3: Cross multiply
    58,484.92x = 87,718.22 × 19,041.77
  4. Step 4: Simplify right side
    58,484.92x = 1,670,309,979.24
  5. Step 5: Solve for x
    x = 1,670,309,979.24/58,484.92
  6. Step 6: Final answer
    x = 28,559.67

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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.