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Finding the Fourth Proportional to 25,133.58, 37,702.20 and 8,488.08

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Solution

The fourth proportional to 25,133.58, 37,702.20 and 8,488.08 is: 12,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.58 : 37,702.20 = 8,488.08 : x
  2. Step 2: Convert to fraction form
    25,133.58/37,702.20 = 8,488.08/x
  3. Step 3: Cross multiply
    25,133.58x = 37,702.20 × 8,488.08
  4. Step 4: Simplify right side
    25,133.58x = 320,019,289.78
  5. Step 5: Solve for x
    x = 320,019,289.78/25,133.58
  6. Step 6: Final answer
    x = 12,732.74

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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.