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Finding the Fourth Proportional to 63,574.88, 87,732.24 and 35,281.76

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Solution

The fourth proportional to 63,574.88, 87,732.24 and 35,281.76 is: 48,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.88 : 87,732.24 = 35,281.76 : x
  2. Step 2: Convert to fraction form
    63,574.88/87,732.24 = 35,281.76/x
  3. Step 3: Cross multiply
    63,574.88x = 87,732.24 × 35,281.76
  4. Step 4: Simplify right side
    63,574.88x = 3,095,347,835.94
  5. Step 5: Solve for x
    x = 3,095,347,835.94/63,574.88
  6. Step 6: Final answer
    x = 48,688.22

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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.