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Finding the Fourth Proportional to 34,699.65, 47,885.76 and 18,784.23

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Solution

The fourth proportional to 34,699.65, 47,885.76 and 18,784.23 is: 25,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.65 : 47,885.76 = 18,784.23 : x
  2. Step 2: Convert to fraction form
    34,699.65/47,885.76 = 18,784.23/x
  3. Step 3: Cross multiply
    34,699.65x = 47,885.76 × 18,784.23
  4. Step 4: Simplify right side
    34,699.65x = 899,497,129.56
  5. Step 5: Solve for x
    x = 899,497,129.56/34,699.65
  6. Step 6: Final answer
    x = 25,922.37

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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.