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Finding the Fourth Proportional to 25,346.40, 37,982.08 and 22,578.40

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Solution

The fourth proportional to 25,346.40, 37,982.08 and 22,578.40 is: 33,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.40 : 37,982.08 = 22,578.40 : x
  2. Step 2: Convert to fraction form
    25,346.40/37,982.08 = 22,578.40/x
  3. Step 3: Cross multiply
    25,346.40x = 37,982.08 × 22,578.40
  4. Step 4: Simplify right side
    25,346.40x = 857,574,595.07
  5. Step 5: Solve for x
    x = 857,574,595.07/25,346.40
  6. Step 6: Final answer
    x = 33,834.18

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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.