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Finding the Fourth Proportional to 35,691.12, 53,537.12 and 16,973.12

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Solution

The fourth proportional to 35,691.12, 53,537.12 and 16,973.12 is: 25,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.12 : 53,537.12 = 16,973.12 : x
  2. Step 2: Convert to fraction form
    35,691.12/53,537.12 = 16,973.12/x
  3. Step 3: Cross multiply
    35,691.12x = 53,537.12 × 16,973.12
  4. Step 4: Simplify right side
    35,691.12x = 908,691,962.21
  5. Step 5: Solve for x
    x = 908,691,962.21/35,691.12
  6. Step 6: Final answer
    x = 25,459.89

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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.