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Finding the Fourth Proportional to 10,162.99, 15,246.81 and 5,482.92

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Solution

The fourth proportional to 10,162.99, 15,246.81 and 5,482.92 is: 8,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.99 : 15,246.81 = 5,482.92 : x
  2. Step 2: Convert to fraction form
    10,162.99/15,246.81 = 5,482.92/x
  3. Step 3: Cross multiply
    10,162.99x = 15,246.81 × 5,482.92
  4. Step 4: Simplify right side
    10,162.99x = 83,596,952.60
  5. Step 5: Solve for x
    x = 83,596,952.60/10,162.99
  6. Step 6: Final answer
    x = 8,225.62

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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.