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Finding the Fourth Proportional to 22,709.70, 34,028.10 and 14,909.40

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Solution

The fourth proportional to 22,709.70, 34,028.10 and 14,909.40 is: 22,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709.70 : 34,028.10 = 14,909.40 : x
  2. Step 2: Convert to fraction form
    22,709.70/34,028.10 = 14,909.40/x
  3. Step 3: Cross multiply
    22,709.70x = 34,028.10 × 14,909.40
  4. Step 4: Simplify right side
    22,709.70x = 507,338,554.14
  5. Step 5: Solve for x
    x = 507,338,554.14/22,709.70
  6. Step 6: Final answer
    x = 22,340.17

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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.