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Finding the Fourth Proportional to 10,508.76, 15,763.14 and 8,059.32

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Solution

The fourth proportional to 10,508.76, 15,763.14 and 8,059.32 is: 12,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.76 : 15,763.14 = 8,059.32 : x
  2. Step 2: Convert to fraction form
    10,508.76/15,763.14 = 8,059.32/x
  3. Step 3: Cross multiply
    10,508.76x = 15,763.14 × 8,059.32
  4. Step 4: Simplify right side
    10,508.76x = 127,040,189.46
  5. Step 5: Solve for x
    x = 127,040,189.46/10,508.76
  6. Step 6: Final answer
    x = 12,088.98

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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.