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Finding the Fourth Proportional to 7,473.76, 10,313.86 and 4,116.69

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Solution

The fourth proportional to 7,473.76, 10,313.86 and 4,116.69 is: 5,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.76 : 10,313.86 = 4,116.69 : x
  2. Step 2: Convert to fraction form
    7,473.76/10,313.86 = 4,116.69/x
  3. Step 3: Cross multiply
    7,473.76x = 10,313.86 × 4,116.69
  4. Step 4: Simplify right side
    7,473.76x = 42,458,954.03
  5. Step 5: Solve for x
    x = 42,458,954.03/7,473.76
  6. Step 6: Final answer
    x = 5,681.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.