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Finding the Fourth Proportional to 25,394.69, 38,101.16 and 11,353.55

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Solution

The fourth proportional to 25,394.69, 38,101.16 and 11,353.55 is: 17,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.69 : 38,101.16 = 11,353.55 : x
  2. Step 2: Convert to fraction form
    25,394.69/38,101.16 = 11,353.55/x
  3. Step 3: Cross multiply
    25,394.69x = 38,101.16 × 11,353.55
  4. Step 4: Simplify right side
    25,394.69x = 432,583,263.00
  5. Step 5: Solve for x
    x = 432,583,263.00/25,394.69
  6. Step 6: Final answer
    x = 17,034.40

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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.