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Finding the Fourth Proportional to 25,312.62, 37,965.06 and 8,668.80

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Solution

The fourth proportional to 25,312.62, 37,965.06 and 8,668.80 is: 13,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.62 : 37,965.06 = 8,668.80 : x
  2. Step 2: Convert to fraction form
    25,312.62/37,965.06 = 8,668.80/x
  3. Step 3: Cross multiply
    25,312.62x = 37,965.06 × 8,668.80
  4. Step 4: Simplify right side
    25,312.62x = 329,111,512.13
  5. Step 5: Solve for x
    x = 329,111,512.13/25,312.62
  6. Step 6: Final answer
    x = 13,001.87

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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.