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Finding the Fourth Proportional to 34,039.40, 51,059.18 and 10,347.16

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Solution

The fourth proportional to 34,039.40, 51,059.18 and 10,347.16 is: 15,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,039.40 : 51,059.18 = 10,347.16 : x
  2. Step 2: Convert to fraction form
    34,039.40/51,059.18 = 10,347.16/x
  3. Step 3: Cross multiply
    34,039.40x = 51,059.18 × 10,347.16
  4. Step 4: Simplify right side
    34,039.40x = 528,317,504.93
  5. Step 5: Solve for x
    x = 528,317,504.93/34,039.40
  6. Step 6: Final answer
    x = 15,520.76

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1.5x scale

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.