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Finding the Fourth Proportional to 25,053.71, 37,584.88 and 8,415.34

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Solution

The fourth proportional to 25,053.71, 37,584.88 and 8,415.34 is: 12,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.71 : 37,584.88 = 8,415.34 : x
  2. Step 2: Convert to fraction form
    25,053.71/37,584.88 = 8,415.34/x
  3. Step 3: Cross multiply
    25,053.71x = 37,584.88 × 8,415.34
  4. Step 4: Simplify right side
    25,053.71x = 316,289,429.06
  5. Step 5: Solve for x
    x = 316,289,429.06/25,053.71
  6. Step 6: Final answer
    x = 12,624.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.