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Finding the Fourth Proportional to 10,325.99, 15,486.54 and 3,661.92

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Solution

The fourth proportional to 10,325.99, 15,486.54 and 3,661.92 is: 5,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.99 : 15,486.54 = 3,661.92 : x
  2. Step 2: Convert to fraction form
    10,325.99/15,486.54 = 3,661.92/x
  3. Step 3: Cross multiply
    10,325.99x = 15,486.54 × 3,661.92
  4. Step 4: Simplify right side
    10,325.99x = 56,710,470.56
  5. Step 5: Solve for x
    x = 56,710,470.56/10,325.99
  6. Step 6: Final answer
    x = 5,492.02

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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.