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Finding the Fourth Proportional to 7,661.94, 10,574.47 and 4,304.75

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Solution

The fourth proportional to 7,661.94, 10,574.47 and 4,304.75 is: 5,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.94 : 10,574.47 = 4,304.75 : x
  2. Step 2: Convert to fraction form
    7,661.94/10,574.47 = 4,304.75/x
  3. Step 3: Cross multiply
    7,661.94x = 10,574.47 × 4,304.75
  4. Step 4: Simplify right side
    7,661.94x = 45,520,449.73
  5. Step 5: Solve for x
    x = 45,520,449.73/7,661.94
  6. Step 6: Final answer
    x = 5,941.11

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Half scale
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Double scale
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Similar ratio
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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.