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Finding the Fourth Proportional to 35,841.80, 53,762.70 and 11,217.80

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Solution

The fourth proportional to 35,841.80, 53,762.70 and 11,217.80 is: 16,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.80 : 53,762.70 = 11,217.80 : x
  2. Step 2: Convert to fraction form
    35,841.80/53,762.70 = 11,217.80/x
  3. Step 3: Cross multiply
    35,841.80x = 53,762.70 × 11,217.80
  4. Step 4: Simplify right side
    35,841.80x = 603,099,216.06
  5. Step 5: Solve for x
    x = 603,099,216.06/35,841.80
  6. Step 6: Final answer
    x = 16,826.70

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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.