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Finding the Fourth Proportional to 14,034.52, 21,050.10 and 10,917.64

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Solution

The fourth proportional to 14,034.52, 21,050.10 and 10,917.64 is: 16,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.52 : 21,050.10 = 10,917.64 : x
  2. Step 2: Convert to fraction form
    14,034.52/21,050.10 = 10,917.64/x
  3. Step 3: Cross multiply
    14,034.52x = 21,050.10 × 10,917.64
  4. Step 4: Simplify right side
    14,034.52x = 229,817,413.76
  5. Step 5: Solve for x
    x = 229,817,413.76/14,034.52
  6. Step 6: Final answer
    x = 16,375.15

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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.