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Finding the Fourth Proportional to 58,410.80, 87,543 and 25,091.28

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Solution

The fourth proportional to 58,410.80, 87,543 and 25,091.28 is: 37,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,410.80 : 87,543 = 25,091.28 : x
  2. Step 2: Convert to fraction form
    58,410.80/87,543 = 25,091.28/x
  3. Step 3: Cross multiply
    58,410.80x = 87,543 × 25,091.28
  4. Step 4: Simplify right side
    58,410.80x = 2,196,565,925.04
  5. Step 5: Solve for x
    x = 2,196,565,925.04/58,410.80
  6. Step 6: Final answer
    x = 37,605.48

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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.