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Finding the Fourth Proportional to 34,284.55, 51,430.52 and 10,905.52

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Solution

The fourth proportional to 34,284.55, 51,430.52 and 10,905.52 is: 16,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,284.55 : 51,430.52 = 10,905.52 : x
  2. Step 2: Convert to fraction form
    34,284.55/51,430.52 = 10,905.52/x
  3. Step 3: Cross multiply
    34,284.55x = 51,430.52 × 10,905.52
  4. Step 4: Simplify right side
    34,284.55x = 560,876,509.94
  5. Step 5: Solve for x
    x = 560,876,509.94/34,284.55
  6. Step 6: Final answer
    x = 16,359.45

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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.