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Finding the Fourth Proportional to 34,290.60, 51,426.90 and 14,559

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Solution

The fourth proportional to 34,290.60, 51,426.90 and 14,559 is: 21,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.60 : 51,426.90 = 14,559 : x
  2. Step 2: Convert to fraction form
    34,290.60/51,426.90 = 14,559/x
  3. Step 3: Cross multiply
    34,290.60x = 51,426.90 × 14,559
  4. Step 4: Simplify right side
    34,290.60x = 748,724,237.10
  5. Step 5: Solve for x
    x = 748,724,237.10/34,290.60
  6. Step 6: Final answer
    x = 21,834.68

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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.