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Finding the Fourth Proportional to 26,813.40, 40,220.10 and 24,869.40

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Solution

The fourth proportional to 26,813.40, 40,220.10 and 24,869.40 is: 37,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.40 : 40,220.10 = 24,869.40 : x
  2. Step 2: Convert to fraction form
    26,813.40/40,220.10 = 24,869.40/x
  3. Step 3: Cross multiply
    26,813.40x = 40,220.10 × 24,869.40
  4. Step 4: Simplify right side
    26,813.40x = 1,000,249,754.94
  5. Step 5: Solve for x
    x = 1,000,249,754.94/26,813.40
  6. Step 6: Final answer
    x = 37,304.10

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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.