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Finding the Fourth Proportional to 35,394.48, 53,078.76 and 11,697.66

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Solution

The fourth proportional to 35,394.48, 53,078.76 and 11,697.66 is: 17,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.48 : 53,078.76 = 11,697.66 : x
  2. Step 2: Convert to fraction form
    35,394.48/53,078.76 = 11,697.66/x
  3. Step 3: Cross multiply
    35,394.48x = 53,078.76 × 11,697.66
  4. Step 4: Simplify right side
    35,394.48x = 620,897,287.70
  5. Step 5: Solve for x
    x = 620,897,287.70/35,394.48
  6. Step 6: Final answer
    x = 17,542.21

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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.