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Finding the Fourth Proportional to 22,102.53, 30,500.55 and 12,030.99

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Solution

The fourth proportional to 22,102.53, 30,500.55 and 12,030.99 is: 16,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.53 : 30,500.55 = 12,030.99 : x
  2. Step 2: Convert to fraction form
    22,102.53/30,500.55 = 12,030.99/x
  3. Step 3: Cross multiply
    22,102.53x = 30,500.55 × 12,030.99
  4. Step 4: Simplify right side
    22,102.53x = 366,951,812.04
  5. Step 5: Solve for x
    x = 366,951,812.04/22,102.53
  6. Step 6: Final answer
    x = 16,602.25

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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.