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Finding the Fourth Proportional to 22,869.64, 34,206.03 and 20,354.59

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Solution

The fourth proportional to 22,869.64, 34,206.03 and 20,354.59 is: 30,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.64 : 34,206.03 = 20,354.59 : x
  2. Step 2: Convert to fraction form
    22,869.64/34,206.03 = 20,354.59/x
  3. Step 3: Cross multiply
    22,869.64x = 34,206.03 × 20,354.59
  4. Step 4: Simplify right side
    22,869.64x = 696,249,716.18
  5. Step 5: Solve for x
    x = 696,249,716.18/22,869.64
  6. Step 6: Final answer
    x = 30,444.28

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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.