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Finding the Fourth Proportional to 26,957.10, 40,435.65 and 8,237.10

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Solution

The fourth proportional to 26,957.10, 40,435.65 and 8,237.10 is: 12,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.10 : 40,435.65 = 8,237.10 : x
  2. Step 2: Convert to fraction form
    26,957.10/40,435.65 = 8,237.10/x
  3. Step 3: Cross multiply
    26,957.10x = 40,435.65 × 8,237.10
  4. Step 4: Simplify right side
    26,957.10x = 333,072,492.62
  5. Step 5: Solve for x
    x = 333,072,492.62/26,957.10
  6. Step 6: Final answer
    x = 12,355.65

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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.