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Finding the Fourth Proportional to 34,681.56, 47,860.56 and 18,765.96

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Solution

The fourth proportional to 34,681.56, 47,860.56 and 18,765.96 is: 25,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.56 : 47,860.56 = 18,765.96 : x
  2. Step 2: Convert to fraction form
    34,681.56/47,860.56 = 18,765.96/x
  3. Step 3: Cross multiply
    34,681.56x = 47,860.56 × 18,765.96
  4. Step 4: Simplify right side
    34,681.56x = 898,149,354.54
  5. Step 5: Solve for x
    x = 898,149,354.54/34,681.56
  6. Step 6: Final answer
    x = 25,897.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.