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Finding the Fourth Proportional to 25,124.90, 37,667.90 and 14,578.70

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Solution

The fourth proportional to 25,124.90, 37,667.90 and 14,578.70 is: 21,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.90 : 37,667.90 = 14,578.70 : x
  2. Step 2: Convert to fraction form
    25,124.90/37,667.90 = 14,578.70/x
  3. Step 3: Cross multiply
    25,124.90x = 37,667.90 × 14,578.70
  4. Step 4: Simplify right side
    25,124.90x = 549,149,013.73
  5. Step 5: Solve for x
    x = 549,149,013.73/25,124.90
  6. Step 6: Final answer
    x = 21,856.76

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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.