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Finding the Fourth Proportional to 26,416, 39,611.45 and 15,326.08

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Solution

The fourth proportional to 26,416, 39,611.45 and 15,326.08 is: 22,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416 : 39,611.45 = 15,326.08 : x
  2. Step 2: Convert to fraction form
    26,416/39,611.45 = 15,326.08/x
  3. Step 3: Cross multiply
    26,416x = 39,611.45 × 15,326.08
  4. Step 4: Simplify right side
    26,416x = 607,088,251.62
  5. Step 5: Solve for x
    x = 607,088,251.62/26,416
  6. Step 6: Final answer
    x = 22,981.84

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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.