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Finding the Fourth Proportional to 15,300.07, 22,950.11 and 4,919.11

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Solution

The fourth proportional to 15,300.07, 22,950.11 and 4,919.11 is: 7,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.07 : 22,950.11 = 4,919.11 : x
  2. Step 2: Convert to fraction form
    15,300.07/22,950.11 = 4,919.11/x
  3. Step 3: Cross multiply
    15,300.07x = 22,950.11 × 4,919.11
  4. Step 4: Simplify right side
    15,300.07x = 112,894,091.01
  5. Step 5: Solve for x
    x = 112,894,091.01/15,300.07
  6. Step 6: Final answer
    x = 7,378.67

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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.