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Finding the Fourth Proportional to 58,834.55, 88,224.11 and 21,368.21

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Solution

The fourth proportional to 58,834.55, 88,224.11 and 21,368.21 is: 32,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,834.55 : 88,224.11 = 21,368.21 : x
  2. Step 2: Convert to fraction form
    58,834.55/88,224.11 = 21,368.21/x
  3. Step 3: Cross multiply
    58,834.55x = 88,224.11 × 21,368.21
  4. Step 4: Simplify right side
    58,834.55x = 1,885,190,901.81
  5. Step 5: Solve for x
    x = 1,885,190,901.81/58,834.55
  6. Step 6: Final answer
    x = 32,042.24

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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.