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Finding the Fourth Proportional to 26,492.69, 39,744.88 and 8,728.82

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Solution

The fourth proportional to 26,492.69, 39,744.88 and 8,728.82 is: 13,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.69 : 39,744.88 = 8,728.82 : x
  2. Step 2: Convert to fraction form
    26,492.69/39,744.88 = 8,728.82/x
  3. Step 3: Cross multiply
    26,492.69x = 39,744.88 × 8,728.82
  4. Step 4: Simplify right side
    26,492.69x = 346,925,950.38
  5. Step 5: Solve for x
    x = 346,925,950.38/26,492.69
  6. Step 6: Final answer
    x = 13,095.16

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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.