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Finding the Fourth Proportional to 22,101.85, 30,500.11 and 12,030.51

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Solution

The fourth proportional to 22,101.85, 30,500.11 and 12,030.51 is: 16,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.85 : 30,500.11 = 12,030.51 : x
  2. Step 2: Convert to fraction form
    22,101.85/30,500.11 = 12,030.51/x
  3. Step 3: Cross multiply
    22,101.85x = 30,500.11 × 12,030.51
  4. Step 4: Simplify right side
    22,101.85x = 366,931,878.36
  5. Step 5: Solve for x
    x = 366,931,878.36/22,101.85
  6. Step 6: Final answer
    x = 16,601.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.