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Finding the Fourth Proportional to 9,048.92, 13,575.20 and 3,126.03

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Solution

The fourth proportional to 9,048.92, 13,575.20 and 3,126.03 is: 4,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.92 : 13,575.20 = 3,126.03 : x
  2. Step 2: Convert to fraction form
    9,048.92/13,575.20 = 3,126.03/x
  3. Step 3: Cross multiply
    9,048.92x = 13,575.20 × 3,126.03
  4. Step 4: Simplify right side
    9,048.92x = 42,436,482.46
  5. Step 5: Solve for x
    x = 42,436,482.46/9,048.92
  6. Step 6: Final answer
    x = 4,689.67

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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.