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Finding the Fourth Proportional to 58,401, 87,656.85 and 36,147.06

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Solution

The fourth proportional to 58,401, 87,656.85 and 36,147.06 is: 54,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,401 : 87,656.85 = 36,147.06 : x
  2. Step 2: Convert to fraction form
    58,401/87,656.85 = 36,147.06/x
  3. Step 3: Cross multiply
    58,401x = 87,656.85 × 36,147.06
  4. Step 4: Simplify right side
    58,401x = 3,168,537,416.36
  5. Step 5: Solve for x
    x = 3,168,537,416.36/58,401
  6. Step 6: Final answer
    x = 54,254.85

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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.