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Finding the Fourth Proportional to 72,291.10, 108,409.71 and 24,892.94

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Solution

The fourth proportional to 72,291.10, 108,409.71 and 24,892.94 is: 37,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,291.10 : 108,409.71 = 24,892.94 : x
  2. Step 2: Convert to fraction form
    72,291.10/108,409.71 = 24,892.94/x
  3. Step 3: Cross multiply
    72,291.10x = 108,409.71 × 24,892.94
  4. Step 4: Simplify right side
    72,291.10x = 2,698,636,406.45
  5. Step 5: Solve for x
    x = 2,698,636,406.45/72,291.10
  6. Step 6: Final answer
    x = 37,330.13

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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.