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Finding the Fourth Proportional to 26,462.60, 39,697.54 and 9,821.22

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Solution

The fourth proportional to 26,462.60, 39,697.54 and 9,821.22 is: 14,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,462.60 : 39,697.54 = 9,821.22 : x
  2. Step 2: Convert to fraction form
    26,462.60/39,697.54 = 9,821.22/x
  3. Step 3: Cross multiply
    26,462.60x = 39,697.54 × 9,821.22
  4. Step 4: Simplify right side
    26,462.60x = 389,878,155.62
  5. Step 5: Solve for x
    x = 389,878,155.62/26,462.60
  6. Step 6: Final answer
    x = 14,733.18

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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.