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Finding the Fourth Proportional to 10,900.92, 16,347.06 and 7,030.20

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Solution

The fourth proportional to 10,900.92, 16,347.06 and 7,030.20 is: 10,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.92 : 16,347.06 = 7,030.20 : x
  2. Step 2: Convert to fraction form
    10,900.92/16,347.06 = 7,030.20/x
  3. Step 3: Cross multiply
    10,900.92x = 16,347.06 × 7,030.20
  4. Step 4: Simplify right side
    10,900.92x = 114,923,101.21
  5. Step 5: Solve for x
    x = 114,923,101.21/10,900.92
  6. Step 6: Final answer
    x = 10,542.51

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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.