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Finding the Fourth Proportional to 58,618.98, 87,889.59 and 19,162.26

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Solution

The fourth proportional to 58,618.98, 87,889.59 and 19,162.26 is: 28,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.98 : 87,889.59 = 19,162.26 : x
  2. Step 2: Convert to fraction form
    58,618.98/87,889.59 = 19,162.26/x
  3. Step 3: Cross multiply
    58,618.98x = 87,889.59 × 19,162.26
  4. Step 4: Simplify right side
    58,618.98x = 1,684,163,174.87
  5. Step 5: Solve for x
    x = 1,684,163,174.87/58,618.98
  6. Step 6: Final answer
    x = 28,730.68

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1.5x scale

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.