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Finding the Fourth Proportional to 63,004.86, 86,947.38 and 34,711.56

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Solution

The fourth proportional to 63,004.86, 86,947.38 and 34,711.56 is: 47,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,004.86 : 86,947.38 = 34,711.56 : x
  2. Step 2: Convert to fraction form
    63,004.86/86,947.38 = 34,711.56/x
  3. Step 3: Cross multiply
    63,004.86x = 86,947.38 × 34,711.56
  4. Step 4: Simplify right side
    63,004.86x = 3,018,079,197.71
  5. Step 5: Solve for x
    x = 3,018,079,197.71/63,004.86
  6. Step 6: Final answer
    x = 47,902.32

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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.