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Finding the Fourth Proportional to 60,504.64, 83,409.85 and 40,354.17

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Solution

The fourth proportional to 60,504.64, 83,409.85 and 40,354.17 is: 55,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,504.64 : 83,409.85 = 40,354.17 : x
  2. Step 2: Convert to fraction form
    60,504.64/83,409.85 = 40,354.17/x
  3. Step 3: Cross multiply
    60,504.64x = 83,409.85 × 40,354.17
  4. Step 4: Simplify right side
    60,504.64x = 3,365,935,004.23
  5. Step 5: Solve for x
    x = 3,365,935,004.23/60,504.64
  6. Step 6: Final answer
    x = 55,631.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.