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Finding the Fourth Proportional to 25,074.91, 37,614.42 and 8,430.48

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Solution

The fourth proportional to 25,074.91, 37,614.42 and 8,430.48 is: 12,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,074.91 : 37,614.42 = 8,430.48 : x
  2. Step 2: Convert to fraction form
    25,074.91/37,614.42 = 8,430.48/x
  3. Step 3: Cross multiply
    25,074.91x = 37,614.42 × 8,430.48
  4. Step 4: Simplify right side
    25,074.91x = 317,107,385.30
  5. Step 5: Solve for x
    x = 317,107,385.30/25,074.91
  6. Step 6: Final answer
    x = 12,646.40

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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.