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Finding the Fourth Proportional to 35,605.49, 53,408.07 and 10,645.49

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Solution

The fourth proportional to 35,605.49, 53,408.07 and 10,645.49 is: 15,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.49 : 53,408.07 = 10,645.49 : x
  2. Step 2: Convert to fraction form
    35,605.49/53,408.07 = 10,645.49/x
  3. Step 3: Cross multiply
    35,605.49x = 53,408.07 × 10,645.49
  4. Step 4: Simplify right side
    35,605.49x = 568,554,808.06
  5. Step 5: Solve for x
    x = 568,554,808.06/35,605.49
  6. Step 6: Final answer
    x = 15,968.18

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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.