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Finding the Fourth Proportional to 58,036.58, 87,054.89 and 15,917.10

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Solution

The fourth proportional to 58,036.58, 87,054.89 and 15,917.10 is: 23,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,036.58 : 87,054.89 = 15,917.10 : x
  2. Step 2: Convert to fraction form
    58,036.58/87,054.89 = 15,917.10/x
  3. Step 3: Cross multiply
    58,036.58x = 87,054.89 × 15,917.10
  4. Step 4: Simplify right side
    58,036.58x = 1,385,661,389.62
  5. Step 5: Solve for x
    x = 1,385,661,389.62/58,036.58
  6. Step 6: Final answer
    x = 23,875.66

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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.