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Finding the Fourth Proportional to 18,792.96, 25,927.98 and 10,835.10

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Solution

The fourth proportional to 18,792.96, 25,927.98 and 10,835.10 is: 14,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.96 : 25,927.98 = 10,835.10 : x
  2. Step 2: Convert to fraction form
    18,792.96/25,927.98 = 10,835.10/x
  3. Step 3: Cross multiply
    18,792.96x = 25,927.98 × 10,835.10
  4. Step 4: Simplify right side
    18,792.96x = 280,932,256.10
  5. Step 5: Solve for x
    x = 280,932,256.10/18,792.96
  6. Step 6: Final answer
    x = 14,948.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.