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Finding the Fourth Proportional to 26,328.62, 39,492.94 and 7,860.62

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Solution

The fourth proportional to 26,328.62, 39,492.94 and 7,860.62 is: 11,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.62 : 39,492.94 = 7,860.62 : x
  2. Step 2: Convert to fraction form
    26,328.62/39,492.94 = 7,860.62/x
  3. Step 3: Cross multiply
    26,328.62x = 39,492.94 × 7,860.62
  4. Step 4: Simplify right side
    26,328.62x = 310,438,994.02
  5. Step 5: Solve for x
    x = 310,438,994.02/26,328.62
  6. Step 6: Final answer
    x = 11,790.93

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Similar ratio
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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.