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Finding the Fourth Proportional to 34,390.44, 51,585.70 and 9,430.70

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Solution

The fourth proportional to 34,390.44, 51,585.70 and 9,430.70 is: 14,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.44 : 51,585.70 = 9,430.70 : x
  2. Step 2: Convert to fraction form
    34,390.44/51,585.70 = 9,430.70/x
  3. Step 3: Cross multiply
    34,390.44x = 51,585.70 × 9,430.70
  4. Step 4: Simplify right side
    34,390.44x = 486,489,260.99
  5. Step 5: Solve for x
    x = 486,489,260.99/34,390.44
  6. Step 6: Final answer
    x = 14,146.06

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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.