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Finding the Fourth Proportional to 4,473.12, 6,708 and 1,550.72

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Solution

The fourth proportional to 4,473.12, 6,708 and 1,550.72 is: 2,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473.12 : 6,708 = 1,550.72 : x
  2. Step 2: Convert to fraction form
    4,473.12/6,708 = 1,550.72/x
  3. Step 3: Cross multiply
    4,473.12x = 6,708 × 1,550.72
  4. Step 4: Simplify right side
    4,473.12x = 10,402,229.76
  5. Step 5: Solve for x
    x = 10,402,229.76/4,473.12
  6. Step 6: Final answer
    x = 2,325.50

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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.