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Finding the Fourth Proportional to 63,750.42, 87,969.33 and 35,454.42

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Solution

The fourth proportional to 63,750.42, 87,969.33 and 35,454.42 is: 48,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,750.42 : 87,969.33 = 35,454.42 : x
  2. Step 2: Convert to fraction form
    63,750.42/87,969.33 = 35,454.42/x
  3. Step 3: Cross multiply
    63,750.42x = 87,969.33 × 35,454.42
  4. Step 4: Simplify right side
    63,750.42x = 3,118,901,572.94
  5. Step 5: Solve for x
    x = 3,118,901,572.94/63,750.42
  6. Step 6: Final answer
    x = 48,923.62

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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.