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Finding the Fourth Proportional to 26,963.80, 40,445.70 and 26,056.60

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Solution

The fourth proportional to 26,963.80, 40,445.70 and 26,056.60 is: 39,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,963.80 : 40,445.70 = 26,056.60 : x
  2. Step 2: Convert to fraction form
    26,963.80/40,445.70 = 26,056.60/x
  3. Step 3: Cross multiply
    26,963.80x = 40,445.70 × 26,056.60
  4. Step 4: Simplify right side
    26,963.80x = 1,053,877,426.62
  5. Step 5: Solve for x
    x = 1,053,877,426.62/26,963.80
  6. Step 6: Final answer
    x = 39,084.90

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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.