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Finding the Fourth Proportional to 63,573.54, 87,738.93 and 35,281.05

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Solution

The fourth proportional to 63,573.54, 87,738.93 and 35,281.05 is: 48,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.54 : 87,738.93 = 35,281.05 : x
  2. Step 2: Convert to fraction form
    63,573.54/87,738.93 = 35,281.05/x
  3. Step 3: Cross multiply
    63,573.54x = 87,738.93 × 35,281.05
  4. Step 4: Simplify right side
    63,573.54x = 3,095,521,576.28
  5. Step 5: Solve for x
    x = 3,095,521,576.28/63,573.54
  6. Step 6: Final answer
    x = 48,691.98

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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.