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Finding the Fourth Proportional to 58,171.61, 87,186.86 and 26,538.32

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Solution

The fourth proportional to 58,171.61, 87,186.86 and 26,538.32 is: 39,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.61 : 87,186.86 = 26,538.32 : x
  2. Step 2: Convert to fraction form
    58,171.61/87,186.86 = 26,538.32/x
  3. Step 3: Cross multiply
    58,171.61x = 87,186.86 × 26,538.32
  4. Step 4: Simplify right side
    58,171.61x = 2,313,792,790.48
  5. Step 5: Solve for x
    x = 2,313,792,790.48/58,171.61
  6. Step 6: Final answer
    x = 39,775.29

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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.