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Finding the Fourth Proportional to 3,117.51, 4,674.63 and 1,473.63

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Solution

The fourth proportional to 3,117.51, 4,674.63 and 1,473.63 is: 2,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.51 : 4,674.63 = 1,473.63 : x
  2. Step 2: Convert to fraction form
    3,117.51/4,674.63 = 1,473.63/x
  3. Step 3: Cross multiply
    3,117.51x = 4,674.63 × 1,473.63
  4. Step 4: Simplify right side
    3,117.51x = 6,888,675.01
  5. Step 5: Solve for x
    x = 6,888,675.01/3,117.51
  6. Step 6: Final answer
    x = 2,209.67

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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.