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Finding the Fourth Proportional to 58,647.16, 87,969.50 and 14,274.16

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Solution

The fourth proportional to 58,647.16, 87,969.50 and 14,274.16 is: 21,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.16 : 87,969.50 = 14,274.16 : x
  2. Step 2: Convert to fraction form
    58,647.16/87,969.50 = 14,274.16/x
  3. Step 3: Cross multiply
    58,647.16x = 87,969.50 × 14,274.16
  4. Step 4: Simplify right side
    58,647.16x = 1,255,690,313.96
  5. Step 5: Solve for x
    x = 1,255,690,313.96/58,647.16
  6. Step 6: Final answer
    x = 21,410.93

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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.