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Finding the Fourth Proportional to 26,990.57, 40,503.92 and 9,460.39

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Solution

The fourth proportional to 26,990.57, 40,503.92 and 9,460.39 is: 14,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.57 : 40,503.92 = 9,460.39 : x
  2. Step 2: Convert to fraction form
    26,990.57/40,503.92 = 9,460.39/x
  3. Step 3: Cross multiply
    26,990.57x = 40,503.92 × 9,460.39
  4. Step 4: Simplify right side
    26,990.57x = 383,182,980.99
  5. Step 5: Solve for x
    x = 383,182,980.99/26,990.57
  6. Step 6: Final answer
    x = 14,196.92

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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.