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Finding the Fourth Proportional to 7,473.82, 10,314 and 4,116.79

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Solution

The fourth proportional to 7,473.82, 10,314 and 4,116.79 is: 5,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.82 : 10,314 = 4,116.79 : x
  2. Step 2: Convert to fraction form
    7,473.82/10,314 = 4,116.79/x
  3. Step 3: Cross multiply
    7,473.82x = 10,314 × 4,116.79
  4. Step 4: Simplify right side
    7,473.82x = 42,460,572.06
  5. Step 5: Solve for x
    x = 42,460,572.06/7,473.82
  6. Step 6: Final answer
    x = 5,681.24

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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.