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Finding the Fourth Proportional to 34,500.86, 51,751.29 and 11,127.30

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Solution

The fourth proportional to 34,500.86, 51,751.29 and 11,127.30 is: 16,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,500.86 : 51,751.29 = 11,127.30 : x
  2. Step 2: Convert to fraction form
    34,500.86/51,751.29 = 11,127.30/x
  3. Step 3: Cross multiply
    34,500.86x = 51,751.29 × 11,127.30
  4. Step 4: Simplify right side
    34,500.86x = 575,852,129.22
  5. Step 5: Solve for x
    x = 575,852,129.22/34,500.86
  6. Step 6: Final answer
    x = 16,690.95

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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.