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Finding the Fourth Proportional to 34,597.50, 47,749.13 and 19,493.15

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Solution

The fourth proportional to 34,597.50, 47,749.13 and 19,493.15 is: 26,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,597.50 : 47,749.13 = 19,493.15 : x
  2. Step 2: Convert to fraction form
    34,597.50/47,749.13 = 19,493.15/x
  3. Step 3: Cross multiply
    34,597.50x = 47,749.13 × 19,493.15
  4. Step 4: Simplify right side
    34,597.50x = 930,780,953.46
  5. Step 5: Solve for x
    x = 930,780,953.46/34,597.50
  6. Step 6: Final answer
    x = 26,903.13

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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.