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Finding the Fourth Proportional to 4,954.83, 7,430.08 and 1,874.67

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Solution

The fourth proportional to 4,954.83, 7,430.08 and 1,874.67 is: 2,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.83 : 7,430.08 = 1,874.67 : x
  2. Step 2: Convert to fraction form
    4,954.83/7,430.08 = 1,874.67/x
  3. Step 3: Cross multiply
    4,954.83x = 7,430.08 × 1,874.67
  4. Step 4: Simplify right side
    4,954.83x = 13,928,948.07
  5. Step 5: Solve for x
    x = 13,928,948.07/4,954.83
  6. Step 6: Final answer
    x = 2,811.19

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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.