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Finding the Fourth Proportional to 35,503.80, 53,265.94 and 11,487.58

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Solution

The fourth proportional to 35,503.80, 53,265.94 and 11,487.58 is: 17,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.80 : 53,265.94 = 11,487.58 : x
  2. Step 2: Convert to fraction form
    35,503.80/53,265.94 = 11,487.58/x
  3. Step 3: Cross multiply
    35,503.80x = 53,265.94 × 11,487.58
  4. Step 4: Simplify right side
    35,503.80x = 611,896,747.03
  5. Step 5: Solve for x
    x = 611,896,747.03/35,503.80
  6. Step 6: Final answer
    x = 17,234.68

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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.