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Finding the Fourth Proportional to 58,490.16, 87,662.54 and 26,866.68

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Solution

The fourth proportional to 58,490.16, 87,662.54 and 26,866.68 is: 40,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.16 : 87,662.54 = 26,866.68 : x
  2. Step 2: Convert to fraction form
    58,490.16/87,662.54 = 26,866.68/x
  3. Step 3: Cross multiply
    58,490.16x = 87,662.54 × 26,866.68
  4. Step 4: Simplify right side
    58,490.16x = 2,355,201,275.83
  5. Step 5: Solve for x
    x = 2,355,201,275.83/58,490.16
  6. Step 6: Final answer
    x = 40,266.62

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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.