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Finding the Fourth Proportional to 7,661.52, 10,572.84 and 4,304.40

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Solution

The fourth proportional to 7,661.52, 10,572.84 and 4,304.40 is: 5,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.52 : 10,572.84 = 4,304.40 : x
  2. Step 2: Convert to fraction form
    7,661.52/10,572.84 = 4,304.40/x
  3. Step 3: Cross multiply
    7,661.52x = 10,572.84 × 4,304.40
  4. Step 4: Simplify right side
    7,661.52x = 45,509,732.50
  5. Step 5: Solve for x
    x = 45,509,732.50/7,661.52
  6. Step 6: Final answer
    x = 5,940.04

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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.