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Finding the Fourth Proportional to 47,348.96, 65,316.96 and 38,406.56

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Solution

The fourth proportional to 47,348.96, 65,316.96 and 38,406.56 is: 52,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,348.96 : 65,316.96 = 38,406.56 : x
  2. Step 2: Convert to fraction form
    47,348.96/65,316.96 = 38,406.56/x
  3. Step 3: Cross multiply
    47,348.96x = 65,316.96 × 38,406.56
  4. Step 4: Simplify right side
    47,348.96x = 2,508,599,743.26
  5. Step 5: Solve for x
    x = 2,508,599,743.26/47,348.96
  6. Step 6: Final answer
    x = 52,981.09

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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.